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: 'hello!' 'Hello.'
Utterance: 'Can i kindly know your preferences please?'

Ex Output:
Yes


Ex Input:
Context: 'I need to keep the fire burning so i need firewood most. What about you?' 'I dont need the firewood as much. ' 'That is great for me. I guess i will take all three.🙂'
Utterance: 'sure what other preferences would you like '

Ex Output:
Yes


Ex Input:
Context: 'I am going to submit my initial offer now.' 'ok'
Utterance: 'So I really don't need that much firewood. I am willing to give you all 3. What is your situation?'

Ex Output:

Yes