to his nephew. Here, Roberts merely let Menkin use the car to run an errand. Menkin had made the trip and had come back and parked the car at its accustomed place. He failed to hand back the keys and still had them in his pocket, but the owner of the car *627 went out to check on it at 3:30 p.m. and he went back at 6:00 p.m. to get a TV set out of the car and bring it into the shop, and he then planned to leave work in his car. His actions are entirely consistent with his retention of custody and control of his automobile and not with the idea that he had parted with custody and control, as the uncle had done inthe Townsend case. Roberts and Menkin worked side by side and kept each other informed when leaving the plant. It is reasonable to infer that the keys, although in Menkin's pocket, were available for Roberts at any time. Furthermore, the evidence completely negatives the idea that Menkin had turned the car over to defendant to drive so that he was driving with the owner's implied consent. The keys to the car were still in Menkin's pocket when absence of the car was discovered. Obviously, he had not turned those keys over to the defendant. Furthermore, defendant made no effort to justify possession on any such theory. Instead, he testified that he was simply a passenger in Leon's car and had not driven it at all. As a matter