TASK DEFINITION: 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 elicit-pref strategy, otherwise output No. elicit-pref is a cooperative negotiation strategy. It is used to discover the preference order of the opponent in the negotiation.
PROBLEM: Context: 'Sending good luck your way! Any items in particular you need for your trip?' 'Well, I'll start with a trial offer and we'll go from there' 'Ok, offer away!'
Utterance: 'Well, food is high on my to do list only because I have a big family and we all know how they eat..... Wood well, I can find that along the way if necessary, and same as water so both of those are fairly low on my list... you?'

SOLUTION: Yes

PROBLEM: Context: 'Pretty good!  I am looking forward to going on this camping trip with my family.' 'Same here! We had a couple bumps in the road though, as our freezer stopped working so all our food went bad ☹️' 'That is rough ☹️  We should try to split the resources equitably then'
Utterance: 'Ya definitely. I need food and firewood most. What do you need?'

SOLUTION: Yes

PROBLEM: Context: 'Hello how are you today? 🙂' 'Fine.'
Utterance: 'You aren't very talkative are you? What preferences do you have for packages?😮😮😮'

SOLUTION:
Yes