Just want to nit: none of those are sentence fragments, they are complete thoughts with a subject and a predicate. Yours kinda comes close to being a fragment but it really just omits what "are not" (the predicate) is referring to, which is included in prior context.
Here's a third sentence fragment: These benchmarks are not.
Just want to nit: none of those are sentence fragments, they are complete thoughts with a subject and a predicate. Yours kinda comes close to being a fragment but it really just omits what "are not" (the predicate) is referring to, which is included in prior context.
For example, a fragment with a missing predicate.
It's nearly a haiku!