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.

[EX Q]: Context: 'Hi there! How are you?'
Utterance: 'Great! I'm very excited to go camping, how about you?'
[EX A]: No

[EX Q]: Context: 
Utterance: 'What are you most interested in getting?'
[EX A]: Yes

[EX Q]: Context: 'hello, lets share these items. I really need the firewood. I have asthma and I have to stay warm' 'How much firewood do you need?'
Utterance: 'i need two food items and one water'
[EX A]:
No