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 self-need strategy, otherwise output No. self-need is a selfish negotiation strategy. It is used to create a personal need for an item in the negotiation, such as by pointing out that the participant sweats a lot to show preference towards water packages.

Context: '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' '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'
Utterance: 'well. I may be willing to give you two water but i need to have two firewood to boil up some of this lake water to try to drink'
Yes

Context: 'I was thinking I will take all the food and water. You can have the firewood. ' 'that's not going to work for me. I need to keep at least 2 foods and 1 firewood but you can have all the water.' 'Are you most interested in the food? 😮'
Utterance: 'yeah I didn't pack enough for my trip, so I'm a little worried about my supplies.'
Yes

Context: 'I could too, I am a little short on a few things!' 'My biggest concern is water.  I could really use more.  That and some extra food.' 'My biggest concern is food and then water. '
Utterance: 'I'm going to need quite a bit more water, at least 2 packages.  I would like at least 1 food. What do you think?'

Yes