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: 
Utterance: 'Hi there! I was looking for 3 extra packages of food and 3 packages of firewood.'

SOLUTION: No

PROBLEM: Context: 'Hi, I need the all food package. I will frequently feel hungry' 'I can give you two of the packages if you're willing to give me all 3 of the firewood. I left mine out in the rain a couple of nights ago so its all ruined.' 'If I will give 2 firewood for you and I will take all the food package with 2 water.'
Utterance: 'I need all 3 firewood! But I'm willing to discuss food with you. I have a lot of that.'

SOLUTION:
No