Directions: Read the given sentence to find out whether there is any grammatical error or idiomatic error in it. 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, the answer is (5). (Ignore errors of punctuation, if any)
(1) Some genuine issues exist / (2) with the newly adopted / (3) system and needs to / (4) be examined seriously. (5) No error
Reveal answer
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