Definition: 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'.

Positive Example 1 -
Input: Now seems a good moment to watch the movie.
Output: INFORM_INTENT

Positive Example 2 -
Input: Do you have a specific which you want the eating place to be located at?
Output: REQUEST

Negative Example 1 -
Input: Is there some other restaurant which you can suggest?
Output: REQUEST

Negative Example 2 -
Input: How would you like Bazille restaurant which is situated in San Jose.
Output: INFORM

Now complete the following example -
Input: Nice. The concert on the 12th works for me. I'll buy two tickets for that event, please.
Output: 


Output: INFORM