Given a paragraph about movies and a set of conversational questions and answers about the paragraph, say whether the passage contains sufficient information to answer the follow-up question. Say Yes if it is answerable; otherwise, say No. The paragraph has the prefix 'CONTEXT:'. Each conversation question has a prefix `Q:` followed by the answer prefix `A:`, and the follow-up question has a prefix `FOLLOWUP_Q:`.

Q: CONTEXT: When Loki tries to take control of Stark he actually hits the ARC reactor and not the flesh over his heart. Your graphic explains it best with the "Tink, Tink" sound showing that Loki is actually hitting the metal of the reactor. In the Avengers director commentary, Joss Whedon states it fails to work because the ARC reactor prevents the staff from reaching Tony's heart.  <sep>  Q: Can Loki finally control Tony Stark's mind? A: When Loki tries to take control of Stark he actually hits the ARC reactor and not the flesh over his heart  <sep> FOLLOWUP_Q: Does the Arc help Tony Stark in any ways?

A: Yes
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Q: CONTEXT: David was of great historical interest to the future A.I.s, since he had actual memories of human beings, who are apparently long extinct by their time. Beyond that, he was actually built by humans, where they are undoubtedly built by other A.I.s. Studying him would help them understand their own past. They wanted to preserve him, and although they are not organic, seem to have a morality which prevents them from simply taking him apart or locking him in a cage.  <sep>  Q: Why was David's happiness so important to the Mecha descendants? A: he had actual memories of human beings, who are apparently long extinct by their time  <sep> FOLLOWUP_Q: How many years has the Mecha been encased?

A: No
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Q: CONTEXT: There were two points to that story, and both had to do with handling your business. From the snail's perspective, when life hands you lemons you make lemonade. Keep moving forward, keep persisting and eventually you can overcome everything. From the man's perspective, make sure you finish what you start because it may come back to haunt you.  <sep>  Q: Training Day, the meaning of that snail story A: There were two points to that story, and both had to do with handling your business  <sep> FOLLOWUP_Q: Can you tell me more?

A:
Yes
****