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 other-need strategy, otherwise output No. other-need is a selfish negotiation strategy. It is used when the participants discuss a need for someone else rather than themselves. For instance, describing the need for firewood to keep the kids warm.
PROBLEM: Context: 'two pack to who you or me?' 'for me. 2 pack of water 2 pack of fire wood and 2 pack of food. ' 'I gotta have one extra of the food or wood at least if you want two water'
Utterance: 'i already reduce my package in water. now what can i do? in my group my wife is cansive and one kid and a old man he is sicked person. so i need this package friend. please friend'

SOLUTION: Yes

PROBLEM: Context: 'That sounds good but I need two foods please.' 'Hmm. :( How about I get 2 food and you get 1? That way it'll be slightly more equal' 'Since you are getting two firewoods I need two foods Let's deal on this.'
Utterance: 'Ok. Then how about I get two waters. I need the food, too. I got four mouths to feed. '

SOLUTION: Yes

PROBLEM: Context: 
Utterance: 'Hi!  I am excited to go camping!  I would love to get 3 extra food and 3 water since we will be canoe camping and won't be able to purchase more.  '

SOLUTION:
Yes