Read each sentence to find out whether there is any grammatical error. The error if any, will be in one part of the sentence. The number of that part is the answer. If there is no error, mark (5) as the answer. Ignore errors of punctuation, if any.

They have not fully examined (1)/the impact that relaxing (2)/ these guidelines is likely (3)/ to have with the economy. (4)/ No error.