Please answer the question based on the following passage. You need to choose one letter from the given options, A, B, C, or D, as the final answer, and provide an explanation for your choice. Your output format should be ###Answer: [your answer] ###Explanation: [your explanation]. ###Passage:Five graduate students NAME_1 NAME_2, NAME_3, NAME_4, and NAME_5 graduated from a linguistics major in a college of arts of a university in 2014, and were hired by one of the three employers, NAME_6, NAME_7, and NAME_8, and at least one of them was hired by each unit.name.Known? (1) NAME_3 was hired by NAME_6; (2) NAME_3 and NAME_4 were not hired by the same unit; (3) NAME_5 and NAME_4 were hired by the same unit; (4) If NAME_9 was hired by NAME_8, then NAME_10 hired by NAME_8. ###Question:Which of the following must be correct? ###Options: (A)NAME_9 and NAME_2 were hired by the same unit. (B)NAME_2 and NAME_5 were hired by different units (C)NAME_6 hired at most two people. (D)NAME_6 and NAME_8 employ the same number of people. Respond with at most 200 words.
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