Read each sentence to find out whether there is any grammatical error in it. The error, if any, will be in one part of the sentence. Mark the part with the error as your answer. If there is no error, mark ‘No error’ as your answer (Ignore the errors of punctuation, if any). Military tensions on the Korean peninsula have risen sharply in 2022 (1)/as the North has conducted sanctions-busting weapons tests (2)/nearly every month, including firing its (3)/more advanced intercontinental ballistic missile ever (4).