Read the sentence to find out if there is any error in it. The error, if any, will be in one part of the sentence. The number of that part will be the answer. If there is no error, then the answer is (5). Ignore error of punctuation if any.
My sister is amazing at (1)/Kung Fu what she (2)/teaches at the junior(3)/ school to young children. (4)/ No error (5)
1
1
2
2
3
3
4
4
5
5