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: 'I am doing great! camping is super enjoyable' 'Do you bring enough stuff?' 'I have some stuff, but I really need a decent amount of firewood. Gets really cold at night where we camp'
Utterance: 'I am fine with the cold although I might need some to set up the fire. I have a baby with me so I might need to heat up the milk or food. '
[EX A]: No

[EX Q]: Context: 
Utterance: 'Hi there! Curious as to what's on your mind regarding each item. I have my own preferences, but will share after you.'
[EX A]: Yes

[EX Q]: Context: 'I think that will work. ' 'Ok, great!🙂 Just to recap, I'll get 2 water, 0 firewood, 2 food, you get the rest.' 'That's right.  Thanks for making this part of planning for the trip easy'
Utterance: 'same to you, enjoy the trip'
[EX A]:
No