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: 'Howdy! How are you?' 'I am dong just fine! and you?' 'Pretty good! I am excited about going camping though. When we split this, what do you need the most?'
Utterance: 'We are all about the food over here! what about you?'
[EX A]: Yes

[EX Q]: Context: 'Hi! I'm very excited for the upcoming camping trip!! 🙂'
Utterance: 'Me too! 🙂 What do you think about the extra supplies?'
[EX A]: Yes

[EX Q]: Context: 'Hi there, fellow camper! 🙂' 'Hello 🙂 How are you?' 'I'm great! Just getting excited to go camping and dreaming of all the food I'll eat! Do you have any extra food?'
Utterance: 'Let me ask you, do you need food most? If yes, what do you need second most?'
[EX A]:
Yes