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: 'Hello, I'd like to bring three packages of firewood because I'll be making tons of BBQ for the camping trip.' 'Can I get 3 packages of food?'
Utterance: 'What do you need it for?'
answer:
Yes


question:
Context: 
Utterance: 'Hi there. Hope you too are looking forward to this much needed camping trip. What are your needs in terms of extra packages?'
answer:
Yes


question:
Context: 'hi' 'Looking forward to camping' 'same, i love to camp'
Utterance: 'What do you need most when camping? I hate splitting wood, so  I need firewood'
answer:

Yes