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.

Q: Context: 'yeah you are right, but water is essential for all !☹️, you must consider that too' 'I agree water is needed. I can do 2 water 2 firewood and 0 food' 'you consider me giving one of your water package and collect food package, if you are lucky you can get liquid foods too🙂'
Utterance: 'I don't like food. my stomach is always full. I only drink water since im thirsty most of the time.'

A: Yes
****
Q: Context: 'hello, I need plenty of food, I have lots of friends we are camping together.'
Utterance: 'bro i need aslo food, it is  my first priority'

A: No
****
Q: Context: 'Hello there! Are you excited for your camping trip coming up?! I am excited to see how I can put my skills to the test!' 'Yeah. Nice to get out after being inside for most of the spring. This covid-19 crap! wish it would go away.' 'I agree!  I will say it has really sparked my interest in camping and being outdoors even more though! I saw just how connected I was to technology and everything else!'
Utterance: 'I'm up here to do some cross training and noticed that there is some extra water around. Even though the nights are cold I could use some extra water. Do you exercise much?'

A:
Yes
****
