
...whose ABILITY to comprehend
the American idiom...
The Big Bang Theory Season 4, Episode 4

Not height, vision, athleticism,
or ABILITY to digest dairy products.
The Big Bang Theory Season 6, Episode 8

An extension of his ABILITY
to leap buildings...
The Big Bang Theory Season 1, Episode 2

...need the ABILITY to locate
the position of objects in space.
The Big Bang Theory Season 8, Episode 21

Maybe we should test
for that ABILITY.
The Big Bang Theory Season 11, Episode 12