Car in the lake

As soon as Sophia arrived home, she said to John, "Honey, the car won't start, but I do know what the problem is."

"What do you mean? What's wrong with it?" John asked.

"There's water in the carburetor." Sophia replied.

"Sweetheart.." John said, "Please don't take this the wrong way, but you wouldn't know a carburetor from an accelerator."

"No, really honey, there's water in the carburetor."