Assertion: book trailer | /r/HasProperty | a video advertisement
Facets:
value: for a book
type: TRANSITIVE-OBJECT
Source sentences:
text: A book trailer is a video advertisement for a book which employs techniques similar to those of movie trailers to promote books and encourage readers.
text: A book trailer is a video advertisement for a book which employs techniques similar to those of movie trailers to promote books and encourage readers.