Directions: The under given sentence has been divided into four parts, one of which may contain an error. No sentence contains more than one error. If the sentence contains an error, select the underlined part that must be changed to make the sentence correct. If the sentence is correct, select choice 5 as the answer.

I think that, even if there is (1) a little bloodletting, and even if life becomes (2) much more inconvenient (3) and difficult than it is now, we should let the human race continue to exist (4) over this Earth. (5) No error