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 The names of specific people have been replaced by generic words (e.g., PersonX, PersonY, PersonZ).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

Input: Consider Input: Head: PersonX preserves PersonY's life<sep>Tail: PersonX recieves an award

Output: Yes


Input: Consider Input: Head: PersonX feels guilty<sep>Tail: PersonX returns the shoe

Output: Yes


Input: Consider Input: Head: PersonX about to get married<sep>Tail: like he has someone he feels that way about


Output: No