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.

Input: Consider Input: Context: 'Wow, that's amazing. My parents took me camping when I was young. Now we going hiking every other weekend. What do you plan on doing?' 'That sounds like so much fun!  I hope we get to hike some.  I have my four month old baby with us which is exciting.  I'm worried I didn't bring enough water for his bottles, though.' 'That sucks, you need to be hydrated. What supplies do you require? My family loves to grill, so we do require food.'
Utterance: 'Grilling is so much fun!  We left our grill at home so we can't really do that.  I will trade you some food for some water if you would like?'

Output: No


Input: Consider Input: Context: 'In that case, I would be fine trading the extra food for a water. so you would get 2 waters and 2 foods ' 'Hmm, that works for me. So basically, you get 1 food, 1 water, and 2 firewood? I get 2, 2, and 0. If that's right, I agree.' 'Yea, so that about right, but i get 3 firewoods'
Utterance: 'Oh, yeah, sorry, mistyped that. Okay, let's do it then. Was good talking.'

Output: No


Input: Consider Input: Context: 'Hi. I'm doing great. How are you? I'm planning on going camping.🙂' 'I'm great! Me too! did you have any specific plans? I wanted to make an extra fire to cook with and cook a nice meal. ' 'Yes. I'm actually taking a large group of people. Some friends and family are going and I kind of also wanted a bit of extra firewood. 🙂'
Utterance: 'Oh I get that! I wanted to make a nice meal for my friends so I was hoping to be able to get extra food. 🙂'


Output: Yes