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.

[Q]: Context: 'Hello, I was hoping we can chat. '
Utterance: 'Hi there. '
[A]: No


[Q]: Context: 'I am not able to get around as much to gather the food. It could require a lot of walking and I might find nothing. What if I took 2 food, 1 water, and 2 firewood, would that be good for you?' 'How about I take 3 water and 2 firewood and you take the rest?' 'I think I can live with that.'
Utterance: 'Great we have a deal then?'
[A]: No


[Q]: Context: 'Ah, okay, I could use some of that too! Which one do you need most?' 'water. How about you?' 'I could use water, too, but I'd be willing to give some up if you give me more items overall'
Utterance: 'What is your priority item to get the division started?'
[A]:
Yes