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 The names of specific people have been replaced by generic words (e.g., PersonX, PersonY, PersonZ).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 is a part, portion, or makeup of 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 affords PersonY protection<sep>Tail: to research for PersonY

Ex Output:
No


Ex Input:
Head: nerve<sep>Tail: radicle

Ex Output:
Yes


Ex Input:
Head: PersonX always ate ___<sep>Tail: satisfied with the result

Ex Output:

No