Given the Question and Answer pair, detect whether the answer is acceptable or not. Denote acceptable answer as "yes", otherwise denote as "no". An acceptable answer is consistent with the context in question, detailed, long, and uses general knowledge of English. Answers that are not definite and suggest a variety of options are not acceptable answers.

Input: Consider Input: Question: What is the antonym of the word destination. Here is some context: Every train has a destination and a ____? I was thinking it might be origin but I've never encountered that word used in this context so I'm not sure - there might be a better word. 
Answer: According to a Google search, the word origin is used as the opposite of destination on several pages on the Amtrak web site. Amtrak is the largest train operator in the United States. Here are a few examples: This schedule lists the Origin and "Destination" of various routes. The Interactive Route Atlas page says the following: Once you have selected origin and destination stations by one of the methods above, click on the 'Go' button to send your custom route request. The Multi-Ride Ten-Ride Ticket page says the following: Ten-ride tickets are valid for ten rides within a 45-day, 60-day or 180-day period depending on your origin and destination cities.

Output: yes


Input: Consider Input: Question: I've seen many people who say: This is a HTML page. Yet I've also seen many people who say: This is an HTML page. Are both usages equally correct? Or, which is the grammatically correct one? Possible Duplicates: "A" vs. "An" in writing vs. pronunciation Do you use "a" or "an" before acronyms? 
Answer: "H" stands for "hyper..." ; the "h" of all the words starting by hyper is never aspirated (an hyperbol, etc.). Then : an HTML.

Output: no


Input: Consider Input: Question: Is there a way to indicate that somebody is your girlfriend without using the possessive term my? I think saying She/He is my partner/other half is OK for married people, but it doesn't feel right for girlfriends and boyfriends. 
Answer: There is nothing wrong with using my. Saying my medical appointment does not mean the medical appointment belongs to me, but just that it is connected to me in some way. Stick to my for there is no alternative which expresses the idea succinctly.


Output: yes