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 The names of specific people have been replaced by generic words (e.g., PersonX, PersonY, PersonZ).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 would have to wait<sep>Tail: PersonX goes inside of a restaurant
Example Output: Yes

Example Input: Head: PersonX acts on PersonY's behalf<sep>Tail: PersonX stutters with nervousness
Example Output: No

Example Input: Head: PersonX has a cell phone<sep>Tail: PersonX needs to get in touch with their wife
Example Output:
Yes