He could not suggest a 'viable' alternative/option.
a 'viable' solution to the problem
Is she a 'viable' candidate?
(..) And stronger. Yeah. Who wants to see me beat up the bartender? I'd enjoy that. Nah, she's a good kid. If this is a viable thing, we could get a patent and license it to companies that make guidance systems. Look at that. You've known you're gonna be a father (..)2016 TvShow: The Big Bang Theory Title: The Positive Negative Reaction Season: 9 Episode 16