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: 'What are your preference what would you need most?' 'I need to keep the fire burning so i need firewood most. What about you?' 'I dont need the firewood as much. '
Utterance: 'That is great for me. I guess i will take all three.🙂'
[EX A]: No

[EX Q]: Context: 'Hello fellow camper! I am interested to know your preference in items?'
Utterance: 'Hello! Yes I'm excited for the trip. 🙂 My most important is food. How about you?'
[EX A]: Yes

[EX Q]: Context: 'Yes I can't wait! So sick of being stuck at home. 🙂' 'It will be nice to get out and explore the great outdoors, even if it is super hot!' 'I agree. What supplies could you use more of?'
Utterance: 'Water for sure, need to stay extra hydrated.  How about you?'
[EX A]:
Yes