PROBLEM:
Frank leaves home.  When he tries to return, a man wearing a mask blocks his path.

1.) What is Frank doing?
2.) What is the masked man's occupation?
3.) Where is Frank's "safe place?".
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HINT 1:
Question: Does this happen to Frank frequently?

Answer: Yes 
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HINT 2:
Question: Does Frank enjoy the experience?

Answer: Yes.
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SOLUTION:
1.) Playing Baseball
2.) A Catcher
3.) 3rd Base