His main contention involves not the science of global warming but the politics and the policy response to scientific findings.

The main contention here is what outcomes should/can be identified as objectively desirable.

The main contention was his lack of speaking out about incidents involving his own players.

A main contention is that the "human environment" faces harm.

The main contentions are with the deal Casey was given and the time at which it was announced.

The main contention most critics had with the film was its lack of continuity.

This style of debate generally centers around three main contentions, although a team can occasionally use two or four.

The main contention provides an answer to the following types of questions:

"The main contention here is that they do not have clear title," said David Collins, a tribal member.

The main contention is that we have not exhausted all nonviolent means to encourage Iraq's disarmament.