instruction:
The input is taken from a negotiation between two participants who take the role of campsite neighbors and negotiate for Food, Water, and Firewood packages, based on their individual preferences and requirements. Given an utterance and recent dialogue context containing past 3 utterances (wherever available), output Yes if the utterance contains the elicit-pref strategy, otherwise output No. elicit-pref is a cooperative negotiation strategy. It is used to discover the preference order of the opponent in the negotiation.
question:
Context: 'Hi there, I hope I would be able to leave with some needed items' 'Likewise! What are you in need of' 'The basics of man -  food and water'
Utterance: 'Ah, okay, I could use some of that too! Which one do you need most?'
answer:
Yes


question:
Context: 
Utterance: 'Hi fellow camper! What are your needs for the extra provisions.'
answer:
Yes


question:
Context: 'Hello! I believe that we can help each other here.'
Utterance: 'hi how are you, what help you need?'
answer:

Yes