The extent to which the mob were involved in his death is debated.

The extent to which he was successful in doing this is still debated.

The extent to which it was held by early Christians is debated.

However, the extent to which these results generalize to spoken and written language is debated.

The extent to which economic activity and tax policy interact to drive these trends is debated by experts.

The extent of this genocide has been much debated.

The extent of the practice is debated by modern scholars.

Though the extent of violence is debated, there was conflict on the frontier.

However, the extent of the actual damage is still being debated.

The extent of his share in Sydenham's works has been debated.