You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
One 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
Solution is here: Answer: (A) User
Explanation: The sentence 1 is said by a user because the intent of it says that the information has to be gathered from the system

Now, solve this: Sentence1: It will be for Thursday. Sentence2: No, that's it. Thanks! Sentence3: I have three different train choices. Depending on how early you want to arrive. I have one arriving at 6:07, one at 8:07 and one at 10:07. Sentence4: Is there any other information I can get for you at this time? Sentence5: When is the departure time for 10:07? Sentence6: What day is this for? Sentence7: You're welcome. Enjoy your day. Sentence8: Not at this time. Thank you for your help! Sentence9: I'm looking for a train going to Ely please. Sentence10: The travel time is only 17 minutes. Sentence11: What time would you like to go? Sentence12: I just need to arrive by 14:15. Sentence13: What's the travel time? Knowing that will help me select on a time. Sentence14: TR1923 departs cambridge at 9:50 and arrives in ely by 10:07, total travel time of 17 minutes. Do you want to book a ticket? Question: Who has spoken the sentence 7? (A) User (B) System
Solution:
Answer: (B) System