4. Who participated in the robbery? It is known that out of six gangsters, exactly two participated in the robbery. In response to the question of who participated in the robbery, they gave the following answers: Harry: Charlie and George. James: Donald and Tom. Donald: Tom and Charlie. George: Harry and Charlie. Charlie: Donald and James.

Tom could not be caught. Who participated in the robbery, if it is known that four of the gangsters correctly named one of the participants, and one named both names incorrectly?
4. Each segment on the diagram represents the testimony of one of the gangsters. For example: the segment Charlie-Harry is the testimony of George. For all segments except one, one vertex corresponds to a gangster who participated in the robbery, and the other to one who did not. At the two points corresponding to the criminals, exactly four segments should converge. Answer: the robbers are Charlie and James.

![](https://cdn.mathpix.com/cropped/2024_05_21_b6bdef2bf90cccc464adg-068.jpg?height=486&width=1245&top_left_y=1796&top_left_x=423)