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.

Q: Context: 'Hello I need a lot of water to survive' 'I have a lot of water around me I can use. So I can give you a lot of extra.'
Utterance: 'Ok nice I will give you 3 food if you give me 3 water'

A: No
****
Q: Context: 'no that won't work.  I will give you 3 food and 1 water.  I will take 3 wood and 2 waters.' 'I did not know you wanted water. Ok, that's great so I will take all 3 extra packages of food.As for the water I would like 2 waters because my dog is coming along with us for our trip and extra water for him will be needed.' 'i think i should have 2 waters because i will need to put the fire out to protect the forest.'
Utterance: 'Well, if we can't settle on an agreement i'm going to walk away. We agreed I will get all 3 extra packages of the food but I still wish for the 2 extra wood and 2 extra waters'

A: No
****
Q: Context: 'I am also going camping! What do you think you're going to need the most of? What are your preferences?' 'It's going to be hot during the day where I'm going so I'll need some extra hydration.  So water is my main priority.' 'Got it! I am going to need the most of food. There aren't any animals or berries that I feel safe eating where I'm going.'
Utterance: 'Well I think we can make a good deal then.  How many packages of food would you want?'

A:
No
****