In this task, we are given the script of a dialogues. Indicate if the topic of conversation is Tourism. If so, then output Yes, otherwise output No

Input: Consider Input: Excuse me . What's the actual flying time from here to San Francisco ?  It's about twelve hours .  Can you tell me what time we're arriving ?  Sure . Let me see ... at 6:15 a . m . local time tomorrow .  I see .  And that'll be 10:15 p . m . Taipei time . 

Output: Yes


Input: Consider Input: Brian and Christina were mentioning that maybe it would be fun to go on vacation together this year , John .  I thought that I already told you that I am going with Mark to Alaska .  Are you kidding me ?  You know what ? You and I had no plans , so I made plans with Mark . What's the problem ?  We have been together for a year and usually , people who've been together a year , take their vacation together .  I don't think that I ever heard of that rule before . Any more rules that you would like to tell me about ?  Go on your vacation with Mark and when you come back , why don't you just move in with him as well !  I am really looking forward to getting away from you . Far away from you ! 

Output: No


Input: Consider Input: Do you know how the national flag of Canada looks like ?  I don't know .  There is a maple leaf on the flag . 


Output: Yes


