Final answer:
The term that accurately fills in the blank in the dialogue is 'catching'. Hence, the full sentence would be 'Man: I don't feel very well. Woman: Perhaps you're catching a cold.'
Step-by-step explanation:
The sentence in question is a conversation between a man and a woman. The man indicates that he is not feeling well, and the woman suggests a possible cause.
The term that appropriately fits the blank in the woman's response is catching. Thus, the complete statement would be: Man: I don't feel very well. Woman: Perhaps you're catching a cold.
The word 'catching' in this context is used to express the onset of a sickness, in this case, a cold.
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