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: 
Utterance: 'hi there, i'm hoping we can come to an agreement on these extra items 🙂'

A: No
****
Q: Context: 'hello' 'Hi friend. How is your day?'
Utterance: 'yes good, what you want?'

A: Yes
****
Q: Context: 'How would you feel about giving me some firewood for food?' 'Maybe, I need food too but I want firewood the most.' 'Do you have a deal to offer?'
Utterance: 'I would like 2 firewood, and I don't care about anything else. I would give you 2 water and 3 food'

A:
No
****