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 The names of specific people have been replaced by generic words (e.g., PersonX, PersonY, PersonZ).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 located or can be found at/in/on 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 achieves PersonX's aims<sep>Tail: to help people achieve their aims

Output: No


Input: Consider Input: Head: PersonX accidentally dropped ___ on the ground<sep>Tail: upset

Output: No


Input: Consider Input: Head: cotton<sep>Tail: cotton ball


Output: Yes