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

[EX Q]: Event:PersonX looks disgusting. Intent: 1) to help persony. XEmotion: 1) he did something right 2) good
[EX A]: uncomfortable

[EX Q]: Event:PersonX wants to be PersonY's friend. Intent: 1) the truth. XEmotion: 1) worried 2) nervous
[EX A]: friendly

[EX Q]: Event:PersonX challenges PersonX's friend to a race. Intent: 1) to celebrate persony. XEmotion: 1) celebratory
[EX A]:
challenged