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: 'I have a medical condition that require me to drink a ton of water. I also can only eat certain foods and I have 3 kids. The more food and water the better for us.' 'sorry to hear that. i too have kids but my health is ok so i can do with 1 water.' 'Thank you. 🙂 Would 1 food and 3 firewood work for you?'
Utterance: 'No problem🙂, i would be fine with 1 water, 1 food,and 3 firewood.'

SOLUTION: No

PROBLEM: Context: 'Hello! I don't mind giving you more of the food as long as I could have more of the water and firewood. 🙂' 'Well, I do need some of each, what about I take 3 food and 1 each of the other two?' 'I don't mind taking 2 of the water as I need it for a medical condition and 2 firewood however I would like to get 1 of the food.'
Utterance: 'You need water the most?'

SOLUTION: Yes

PROBLEM: Context: 'I need all three of the firewood and three water.  You can have all the food.'
Utterance: '😮 May I ask why? I do need food, but I need some firewood as well.'

SOLUTION:
Yes