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, how are you today?' 'hello, I am good, I am very excited about this trip. how are you?'
Utterance: 'i am great, super excited about camping as well, are there any supplies that you really need?'

A: Yes
****
Q: Context: 'I might be able to get by with just two... I'm on a diet though, so I don't need as much food.' 'That's a relief. I actually have a friend joining me and they don't have their own food supply. I don't have enough for two people.' 'You can all the food if you need it.🙂'
Utterance: 'Thanks!🙂 Do you need any water packages?'

A: Yes
****
Q: Context: 'But you need firewood for leisure, whereas I need firewood for survival.' 'Well it will keep us warm at night, too. I am very keen on at least one firewood for myself. ' 'Ok. How about I take 2 firewood and all 3 food? You can have the rest.'
Utterance: 'Can I get at least one food?'

A:
No
****