You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Let me give you an example: Sentence1:i need a place to dine in the center thats expensive Sentence2: I have several options for you; do you prefer African, Asian, or British food? Sentence3: Any sort of food would be fine, as long as it is a bit expensive. Could I get the phone number for your recommendation?Question: Who has spoken the sentence 2? (A) User (B) System
The answer to this example can be: Answer: (A) User
Here is why: The sentence 1 is said by a user because the intent of it says that the information has to be gathered from the system

OK. solve this:
Sentence1: What day did you want to check in? Sentence2: Yes. There will be six of us staying for two nights. Sentence3: There are many guesthouses that meet your criteria. Do you have a pricerange in mind? Sentence4: Thank you as well, let us know if you need help with anything else. Sentence5: I am looking for a place to stay. The hotel should be in the type of guesthouse and doesn't need to include internet Sentence6: I was able to book the Bridge Guest House for 6 people starting Tuesday for 2 nights. Is there anything else I can help you with? Sentence7: Yes the bridge guest house has free wifi. Can I book it for you? Sentence8: I have located 15 guesthouse types in the moderate price range. Do you have a preference for a particular area of town? Sentence9: I don't care about that. Sentence10: We have two in the south, a 4 star and a 3 star. Do you have a preference? Sentence11: I'm looking for something that would be in the middle price point. Sentence12: Does it have free wifi? Sentence13: We are actually checking in starting on Tuesday. Sentence14: Nope, that's all I need for today. Thank you! Sentence15: Maybe the south? Sentence16: Of course. Reference number COIMDB7B . Can I help with anything else today? Sentence17: How about the bridge guest house? Sentence18: Yes, can i have a reference number please? Question: Who has spoken the sentence 4? (A) User (B) System
Answer:
Answer: (A) User