Instruct: Given a premise, retrieve hypotheses that are entailed by the premise.
Query: a man in a black shirt and green hat is signing a book.
A man is signing a book.
A person signing something.
A man is holding a book.
A person writes something on a book.
A man is coping text from a book.
The man is holding a book.
A man in a suit marks a book.
A man has printed reading material.
A man holds an important book.
There is a man with books.
A man wearing a black shirt is reading.
A man is scribbling using his book as a surface.
A man in a black shirt is standing in front of books.
A man holds a book.
Someone is signing some papers.
a man holding a book
An author wearing a sombrero is signing books
A man is documenting  information in a big book with a writing instrument.
A man is writing in a book.
A man in a black top hat is reading a green book.
A man touching a book.
The young black man is writing in the book he is reading.
The man is holding a closed book.
An author is signing a book.
A movie star is signing a poster.