Read the sentence to find out whether there is any error in it or not. 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.
In reality, the conflict himself is nearly a century (1) old and its current escalation did (2) not begin this year, but rather in 2011, and has (3) continued to worsen ever since. (4) No error (5)
1
1
2
2
3
3
4
4
5
No error