"I think it's rather clever," she said.

"It almost took me in." "Do you mean to say it's a good joke ?" Jack asked.
"I think so," said Mary.
"I don't," said Jack.

"I think jokes ought to be straightforward.

I think you ought to know exactly that they are jokes." "Miss Bingham," said Robert, "would say that such inventions were in poor taste." "So they are," said Jack.
"Poor William!" said Mrs.Avory.

"You oughtn't to be cross with him, Jack.