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 The names of specific people have been replaced by generic words (e.g., PersonX, PersonY, PersonZ).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 before 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 accidentally dropped ___<sep>Tail: to pick up something
Example Output: No

Example Input: Head: PersonX hears someone<sep>Tail: PersonX sees the barista coming out of the back room
Example Output: Yes

Example Input: Head: PersonX wishes PersonY luck<sep>Tail: PersonX drives out of the driveway
Example Output:
Yes