TASK DEFINITION: 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.
PROBLEM: Context: 'Hello there! I look forward to striking up a deal that's good for both of us. 🙂'
Utterance: 'hello, me too. what is most valued to you?'

SOLUTION: Yes

PROBLEM: Context: 'Hello'
Utterance: 'Hi can I ask what camping supplies you most need?'

SOLUTION: Yes

PROBLEM: Context: 'Hey there!' 'Hi! What are your preferences? '
Utterance: 'Food is of the highest preference for me! I am a diabetic and always need to be able to eat if I'm experiencing a low! How about you?'

SOLUTION:
Yes