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 can let the firewood and water lax if you provide us food.' 'let me have two food and three parts of water, I can let you have all the firewood and one fpart food' 'We do have a fire to start, but we are very hungry. Diabetics can eat less food because of the small meals. Don't lie to me.'
Utterance: '😡my type of diabetes needs many meals otherwise my insulin levels will be low'
[EX A]: No

[EX Q]: Context: 'Hello' 'Hello! I am going on an expedition and am in need of provisions. The risk is much, the need is great, but the rewards are even greater! I am asking that you might allow me to have 3 firewood, 2 food, and 2 water.'
Utterance: 'Why do you need so much firewood?🙂'
[EX A]: Yes

[EX Q]: Context: 'I can give 3 packages of food and 1 water.  ' 'So 1 firewood, 0 food and 3 water for you?' 'No 3 packages of firewood, 1 package of water, and I can give you 3 packages of food.  I need the Firewood the most.'
Utterance: 'Tell me why you need so much firewood?'
[EX A]:
Yes