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: 'Water is my second priority item. I am sure we can work out a fair deal. What do you propose?' 'We'll be able to make it close to equal. Let's do 2 foods for one of us, 2 waters and 2 firewood for the other person. I'll take either.' 'Ok that works for me 🙂 2 food for me, 2 firewood and 1 water. Then you get 2 water and 1 food and 1 firewood. Does that work?'
Utterance: 'No close. 2 food 1 water 1 firewood for one of us. The other gets 1 food 2 water 2 firewood. Food is your number one correct?'

SOLUTION: Yes

PROBLEM: Context: 'Yeah that's fine.What you need the most?' 'I need food because I have mouths to feed and maybe a firewood?' 'Okay . How much You need each?'
Utterance: '3 Food and 1 Firewood? You get the rest?'

SOLUTION: No

PROBLEM: Context: 'Hello! 🙂' 'I hello I need firewood to survive' 'oh my are you going somewhere cold? I could use the water, I am going on a charity event with kids from the Make A Wish foundation. Its going to be their first time!'
Utterance: 'Ok I will give you 3 waters if you give me 3 firewood'

SOLUTION:
No