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: 'okay friend. In my team old age sicked peoples and kids are there so i need some extra package.' 'Okay friend. Which item do you need the most?' 'I need 3 pack of fire wood and 2 pack of food and 2 pack of water'
Utterance: 'But If I will give you these items I don't get enough package friend.'

SOLUTION: No

PROBLEM: Context: 'Hello, what are your preferences for extra supplies?  I am greatly in need of food and water.  We will be doing a lot of activity in a hot, dry climate.🙂' 'I prefer firewood because I will get cold at night. I forgot blankets ☹️'
Utterance: 'Would it work for you, then, to give me the three food and three water, and I can give you all of the firewood?'

SOLUTION: No

PROBLEM: Context: 'I need to stay hydrated because the weather is hot. I am trying to lose weight so I do not need much food.' '😮I see. I have a medical condition that causes my veins to close if I get too cold. I need more firewood to make sure I don't freeze at night.' 'Would two of the firewood be enough?'
Utterance: 'Maybe... I could perhaps do with 2 firewood. But, I would like at least one packet of water.'

SOLUTION:
No