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:
Do you have anything else? I haven't heard of that.

Ex Output:
REQUEST_ALTS


Ex Input:
Sounds pretty good. What about some other dates?

Ex Output:
INFORM_INTENT


Ex Input:
That's good. Are there any other events?

Ex Output:

REQUEST_ALTS