In this task, you are given two phrases: Head and Tail, separated with <sep>. The Head and the Tail events are short phrases possibly involving participants. The names of specific people have been replaced by generic words (e.g., PersonX, PersonY, PersonZ). PersonX is always the subject of the event. You have to determine whether the Head happens after the Tail or not. Classify your answers into "Yes" and "No". The phrase may also contain "___", a placeholder that can be an object, a person, and/or an action.
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Question: Head: PersonX needs to go to the store<sep>Tail: PersonX drinks the last of the milk

Answer: Yes


Question: Head: PersonX achieves PersonY understanding<sep>Tail: PersonX gains knowledge.

Answer: No


Question: Head: PersonX acts in PersonY way<sep>Tail: to have the need to emulate it

Answer:
No