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 The names of specific people have been replaced by generic words (e.g., PersonX, PersonY, PersonZ).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 books a hotel<sep>Tail: PersonX has struck an deal to sell some portraits

Ex Output:
Yes


Ex Input:
Head: PersonX decides to go to the casino<sep>Tail: PersonX loses everything

Ex Output:
Yes


Ex Input:
Head: PersonX accidentally burned ___<sep>Tail: to call the fire department for help

Ex Output:

No