There always were, when one man decided to challenge a hundred.

We were together for a few months when I decided to challenge his notions.

Three Republicans decided to challenge her in the primary, but all of them were first-time candidates.

"In the past, you'd get behind and just decide to challenge people with the fastball."

Convinced that they were mad, other groups decided to physically challenge them.

I'd argue that there are four things to keep in mind when deciding to challenge a convention.

He refused to concede and decided to challenge the results.

"I decided to challenge the constitutionality of this by setting up a tour."

While in his hospital bed, he decided to challenge the Channel.

They decided not to challenge the cuts and also agreed for a change in title.