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: 'I am a big eater. I tend to eat a lot throughout the day. You? 🙂' 'Ha I get that! I'll need that too, but mostly water because my family wants to do a lot of hikes.' 'Thirty I see. No problem, we'll work something out. 🙂'
Utterance: 'Do you plan on having lots of campfires?'
[EX A]: Yes

[EX Q]: Context: 'Hello! I don't mind giving you more of the food as long as I could have more of the water and firewood. 🙂' 'Well, I do need some of each, what about I take 3 food and 1 each of the other two?' 'I don't mind taking 2 of the water as I need it for a medical condition and 2 firewood however I would like to get 1 of the food.'
Utterance: 'You need water the most?'
[EX A]: Yes

[EX Q]: Context: 'Pretty good. The kids are looking forward to this weekend's camping trip. ' 'I see, thankfully I do not have any.' 'yeah we got a lot of things planned for them at the campgrounds. they're going to be pretty busy'
Utterance: 'So what is your main focus this trip?'
[EX A]:
Yes