That's actually a VALID example.
The Big Bang Theory Season 8, Episode 21
Assuming that's a VALID reason not to go,
which it isn't...
The Big Bang Theory Season 2, Episode 23
That is not a VALID order.
Game of Thrones Season 6, Episode 8
...where a tray of flatware
on a couch is VALID?
The Big Bang Theory Season 1, Episode 2
That was a VALID hypo...?
What is happening to you?
The Big Bang Theory Season 1, Episode 1