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: 
Utterance: 'Hi!  I want some additional packages of firewood, water, and food'

SOLUTION: No

PROBLEM: Context: 'Well some is okay but not all. The thing is that we left in a hurry and forgot to pick up the bag with the extra food items. I am sorry but we have kids with us so we will need the food. Am sure you understand ☹️' 'Fair enough I understand that you have hungry kids. If I give you the majority of food can I get a majority of the other two items?' 'Well, what if I take all food and 1 water and you take the rest. Will that work for you? we do have enough firewood.'
Utterance: 'No I was thinking I would get all the waters and you get 1 firewood or I get one food 2 waters and 2 firewood. '

SOLUTION: No

PROBLEM: Context: 'I want to make sure I'm well prepared for camping. How would you feel if I took 2 water, 1 firewood, and 2 food?' 'I really need 3 firewood because I am always cold.'
Utterance: 'If I gave you 3 firewood, would you give me 3 water? I can do without the wood, but the water is really important to stay hydrated.'

SOLUTION:
No

