The following sentence has been divided into parts. One of them may contain an error. Select the part that contains the error from the given options.
It is imperative in understanding / the rising importance of artificial intelligence / in the public sector to increase the efficacy / and impact of the work done for public welfare.
1
the rising importance of artificial intelligence
2
It is imperative in understanding
3
and impact of the work done for public welfare.
4
in the public sector to increase the efficacy