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'.

Ex Input:
Yes, this event will begin at 5 pm.

Ex Output:
INFORM


Ex Input:
That sounds good to me. I would like to buy tickets for this event.

Ex Output:
INFORM_INTENT


Ex Input:
Okay. I found 2 events that may interest you. One of the events is an Aaron Lewis concert, taking place at the SOMO Village Event Center.

Ex Output:

OFFER