input: Generate an approximately fifteen-word sentence that describes all this data: Ace Wilder, background, "solo singer"

sentence: Ace Wilder is a solo singer.

input: Generate an approximately fifteen-word sentence that describes all this data: A Wizard of Mars, numberOfPages, "560"

sentence: The book A Wizard of Mars has 560 pages.

input: Generate an approximately fifteen-word sentence that describes all this data: Twilight (band), genre, Black metal; Aaron Turner, associatedBand/associatedMusicalArtist, Twilight (band)

sentence:
Aaron Turner played with the band Twilight, the band's musical genre is black metal.