You can't produce that excitement anywhere else except in the natural rivalries.

Yet, if they were all to own them, some mechanism would have to emerge to inhibit their natural sexual rivalry.

If we did that, we'd have a natural rivalry and that would be an advantage.

"You better hope there's a natural rivalry when you're only four miles apart from them," he said.

Be sure to keep the traditional natural rivalries.

There's a natural rivalry between parents and teachers, especially in the early grades.

There is a natural rivalry and tension between the two camps.

The two universities are the only Division I programs in the state, thus creating a natural geographic rivalry.

Other stories result from a natural rivalry between two or more characters.

This meant all club were 'born' with a natural rivalry.