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, how are you? 🙂, we are excited to go camping for 2 weeks. I was wondering, if its okay with you, if I can get all 3 waters? what are your thoughts? we have a large group, lots of kids, need the extra water for cooking, putting out camp fire, and keeping all of us warm at night. '
Utterance: 'Hi, I am great 🙂 How are you? I would be happy for you to have two waters if I can have one. I would also like to have three things of food. I love cooking outside, so I would love to make large delicious meals for my group to enjoy'

SOLUTION: No

PROBLEM: Context: 'Okay! You can have all the water. I want all the food.' 'yeah sure, I will share with you all the food. What is about firewood?' 'You can have two if I can have one if you're okay with that.'
Utterance: 'My place is so cold, so I want all the firewood for save my children from cold.'

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?'
Utterance: 'I really need 3 firewood because I am always cold.'

SOLUTION:
No