You are provided with an "Event", "Intent" and "XEmotion" (PersonX's reactions for the given "Event"). Indicate PersonY's reaction (person feels) at the end of this event. Provide one reaction for PersonY. If there's nothing that can be implied, respond as None

Q: Event:PersonX left PersonY behind. Intent: 1) gain knowledge. XEmotion: 1) informed

A: sad
****
Q: Event:PersonX meets friends. Intent:. XEmotion: 1) confused 2) lost 3) upset

A: happy
****
Q: Event:PersonX makes PersonY sacrifice. Intent:. XEmotion: 1) sad

A:
frugal
****