Examples.
Type 1. If John Doe gets here by 9am, he can join up on the trip. If this claim is true, then our hypothesis will have to be revised.
Type 2. If John Doe had got here by 9am, he could have...
yes it is a statementThis is why : The question mark on the end is reffering to to "is the following a statement" it has just been put on the end of the sentence to confuse you. "This statement is...