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 The names of specific people have been replaced by generic words (e.g., PersonX, PersonY, PersonZ).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 asks PersonY's mother for help<sep>Tail: to get rid of a problem

Ex Output:
No


Ex Input:
Head: molecule<sep>Tail: iron

Ex Output:
Yes


Ex Input:
Head: PersonX arrives just in time<sep>Tail: PersonX makes the train

Ex Output:

No