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 The names of specific people have been replaced by generic words (e.g., PersonX, PersonY, PersonZ).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

Ex Input:
Head: PersonX is proud of what PersonY had done<sep>Tail: PersonX gives the report card back to him

Ex Output:
Yes


Ex Input:
Head: PersonX sees better<sep>Tail: PersonX leaves the house

Ex Output:
Yes


Ex Input:
Head: PersonX feels ill at ease<sep>Tail: PersonX meets with the boss

Ex Output:

Yes