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 The names of specific people have been replaced by generic words (e.g., PersonX, PersonY, PersonZ).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

Head: PersonX accidentally hit<sep>Tail: hurt
No

Head: PersonX asks PersonY's roommate<sep>Tail: PersonX can't find his keys
Yes

Head: PersonX starts toward PersonY<sep>Tail: PersonX sees PersonY on the sidewalk

Yes