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.

Context: 'Hi there! I am excited to share these additional camping supplies with you!'
Utterance: 'Yes, same here! I'm glad that we all have our own basic necessities, but extra is always wonderful. 🙂 What are you most interested in?'
Yes

Context: 'Hi we would like you to consider giving us all of the rations for the trip.' 'hello, that could be a good idea, but I think I need more rations'
Utterance: 'How important are they to you? We would like to get a good mix, preferably more food.'
Yes

Context: 'What are you going to use your water for?  And thank you.' 'In case I do no feel like going to other places to get water.  It would be nice to have extra water.' 'I see, and do you have a way to bring the water with you?'
Utterance: 'I'll probably just put the water in one of my bags.'

No