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 The names of specific people have been replaced by generic words (e.g., PersonX, PersonY, PersonZ).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.

Example Input: Head: PersonX has a long day<sep>Tail: PersonX goes into work at 5 am
Example Output: Yes

Example Input: Head: PersonX accidentally knocked over<sep>Tail: embarrassed
Example Output: No

Example Input: Head: PersonX sends an email<sep>Tail: PersonX is supposed to let someone know the outcome of a test
Example Output:
Yes