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.

Q: Context: 'i will give you that in exchange for 1 food and 3 water with 2 firewood' 'please consider my request i'm big in size so please accept to give two pack of food and 2 water and 1 firewood' 'cool'
Utterance: 'do you accept my deal?'

A: No
****
Q: Context: 'Okay that would be fine. If I can have 3 packages of firewood, you can have 2 packages of food. Does that work?' 'That does not work for me. I need at least one package of firewood. I'm sure you understand, because it seems like we have medical conditions with similar effects. You can take all of the water if I can get 2 packages of food and 1 of firewood. Does that work?' 'I do understand. That will work for me. '
Utterance: 'Could you tell me about why you want water? '

A: Yes
****
Q: Context: 'i will be needing more of water ' 'Okay, what I need most is food because I need nutrients, could you tell me what is the least you need?🙂' '2 water 1 firewood and 1 food'
Utterance: 'Can you explain yourself better? What you need the least is food?'

A:
Yes
****