Sentence examples for a very complex question to answer from inspiring English sources

Our study has shown that this is a very complex question to answer fully.

"It's a very complex question.

Gun control is a very complex question in America.

This is a very hard question to answer.

"It's a very hard question to answer.

That's a very hard question to answer.

It is a very difficult question to answer," he said.

"That's a very difficult question to answer.

"That's a very difficult question to answer," Inglis testified.

"That's a very difficult question to answer," he replied.

"It is a very difficult question to answer question," added Tena.