QuestionThe figure shows the plan of the seven train routes of a small town. The circles indicate the stations. Martin wants to paint the lines in such a way that if two lines share a common station, then they are painted with different colors. What is the smallest number of colors that he can use? |
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| A: 3 | B: 4 | C: 5 | D: 6 | E: 7 |
LLM Response: The answer is B2.
Final Prediction: Puzzle #143: Solve this question with explanation of the intermediate steps. Your response must end with one of the selected answer options from A1, B2, C3, D4, or E5. The figure shows the plan of the seven train routes of a small town. The circles indicate the stations. Martin wants to paint the lines in such a way that if two lines share a common station, then they are painted with different colors. What is the smallest number of colors that he can use? Options: A1: 3, B2: 4, C3: 5, D4: 6, E5: 7. Predicted Answer = B Correct Answer = A