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 Input:
Context: 'So in order to fully enjoy my on this trip while surviving, I will require mass quantities of food.' 'k i need food as first priority' 'Unacceptable'
Utterance: 'why'

Ex Output:
No


Ex Input:
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 Output:
No


Ex Input:
Context: 'Hello. I would like to take the following items. (2) Firewood, (2) Water, and Food (2)'
Utterance: 'hello'

Ex Output:

No