"You Make Me Feel So Good" is the third single released by the American synthpop band Book of Love. The song was included on the band's eponymous debut album "Book of Love" in 1986. The song was written by band members Susan Ottaviano and Ted Ottaviano.

Based on that paragraph can we conclude that this sentence is true?
Susan Ottaviano and Ted Ottaviano have only written one song. 

Options:
 a). Yes;
 b). It's impossible to say;
 c). No;
b).