You are given a sentence from a conversation between a human and a virtual assistant. Your task is to classify the sentence into one of the following five action categories - INFORM, INFORM_INTENT, OFFER, REQUEST, REQUEST_ALTS. If the sentence is about informing something, generate 'INFORM'. If it is about requesting something, generate 'REQUEST'. If the sentence mentions requesting an alternative option than the one provided, generate 'REQUEST_ALTS'. Similarly, generate 'OFFER' if the sentence is offering some information. If the sentence is about showing intent to do something, generate 'INFORM_INTENT'.

[Q]: First what city are you in?
[A]: REQUEST


[Q]: There are 10 events that match your criteria. There is an event Alejandro Sanz at Cal Coast Credit Union Amphitheater.
[A]: OFFER


[Q]: Do you have a city in preference?
[A]:
REQUEST