the jury might have believed, that their car had come to a stop, that it was struck on the left rear side, that no car was passing at the time of the impact, and that immediately after the impact the defendant’s bus passed on their left about 10 or 12 inches from their car. Although the defendant’s driver testified that he did not hit the plaintiffs’ car, it was for the jury to decide what had happened. The plaintiffs’ testimony indicates that the damage to the car was such that it was probably inflicted by a sideswiping collision rather than an impact from directly behind. This evidence was sufficient to permit a reasonable inference that the bus, rather than some other unidentified vehicle, struck the plaintiffs’ car. This is all that the New York law requires. Dillon v. Rockaway Beach Hospital, 1940, 284 N.Y. 176, 30 N.E.2d 373; Cornbrooks v. Terminal Barber Shops, 1940, 282 N.Y. 217, 26 N.E.2d 25. The inference drawn here was no more tenuous than those which juries have been permitted to draw in several New York cases. E. g., Garippa v. Wisotsky, 1953, 305 N.Y. 571, 111 N. E.2d 443; Ingersoll v. Liberty Bank of Buffalo, 1938, 278 N.Y. 1, 14 N.E.2d 828.
2. The defendant next contends that even if it was shown that the defendant’s bus hit the plaintiffs’ car, there was insufficient evidence to show that the impact was the result of the negligence of the defendant’s driver. The testimony established that plaintiffs’ car was stationary at the time of the impact waiting for a traffic light, that the road was dry and in good condition and the weather clear, and that the plaintiffs’ car was struck at the left rear side. _ This was enough to permit the jury to infer that the accident was caused by the driver’s negligence in failing to allow sufficient clearance in passing the plaintiffs’ car. Defendant contends that this involves basing an inference on an inference and is therefore objectionable. Even if it is improper to base an inference on an inference, but cf., 1 Wigmore on Evidence § 41, 3rd Ed., that is not what happened here. The inferences that it was the defendant’s bus which struck the car and that the collision resulted from the bus driver’s negligence are parallel inferences based on the same facts. Cf. Gutierrez v. Public Service Interstate Transp. Co., supra [applying New York Law].
3. There was an abundance of expert medical testimony to show the nature of the injuries suffered by Marie and Fernn and to support a finding that the injuries were caused by the accident in question. Defendant first objects to this evidence on the ground that the doctors testified only that the accident was “a competent producing cause of the injuries,” and not that it was the cause. This objection is clearly frivolous. Cf. Cornbrooks v. Terminal Barber Shops, Inc., supra. Defendant next complains that the hypothetical questions put to the doctors omitted certain facts. A hypothetical question need not, however, include every fact in the case. The questions used here were comprehensive enough to provide a basis for a jury finding of causation. The defendant could have protected itself by objecting to the questions when they were asked or by bringing out on cross-examination the effect of the omitted facts on the doctors’ opinions. These steps it did not take.
The defendant’s final objection is directed at a portion of the charge to the jury which appears in the record as follows:
“It gets down to simply this, and it is a simple, ordinary rule, that one must operate his automobile on the highway in a careful and prudent manner, and if he fails and an accident results therefrom, and it happens because of his failure to operate his automobile in a careful and prudent manner under all the circumstances, then, of course, that is negligence and he is liable for the results.
“The defendant’s bus driver here, in overtaking and passing the plaintiffs’ automobile, was under the duty