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.

[EX Q]: Context: 'hello friend i will like to sugest if i can have 2 packages of food and 1 firewood,you can have i food 2 firewood and 3 water,let me know what you think?' 'I don't think that's going to work for me, but I'm sure we can come up with an agreement.' 'okay friend you can have 3 firewood and 3 water is that good enough?'
Utterance: 'I am going to need some food of course. '
[EX A]: Yes

[EX Q]: Context: 'Hi there!  I'm so excited to be going camping this weekend.  I haven't been able to do anything because of the pandemic.  Do you have any plans for the weekend?' 'No, I don't have any plans for this weekend. Can we camp together?' 'If you want to tag along, sure.  lol  I'll be heading to the mountains so it's going to be hot during the day and cold during the night.'
Utterance: 'Great, hey, I'll make you an offer, I'll keep 3 firewood, 3 food and...'
[EX A]: No

[EX Q]: Context: 'What is your priority item to get the division started?' 'I would propose that I get 1 water, 1 food and 3 firewood and you would get 2 water and 2 food' 'I don't mind the division but I would like a pack of firewood added because my family of 7 consume this item as well during the day & night'
Utterance: 'you would have to give more items up to get firewood. if you get more water, which is our highest item, i need more of other items'
[EX A]:
No