Her question set off a debate among the agents over the plan.

Their play, of course, set off a great debate as to who would dominate at the position in the league for years to come.

The finding quickly set off a debate over one question: Why?

The judge's decision immediately set off a debate about its wisdom.

The matter is likely to set off a significant political debate in Congress.

The decision seemed certain to set off a debate because of the political and racial issues involved.

The proposals have set off a debate inside and outside the administration.

The resignation is certain to set off a public debate about who should police the schools.

Those numbers have set off a debate as the program comes up for renewal.

The decision set off a debate over who runs the schools.