Select the most appropriate option to substitute the bracketed segment in the given sentence. If there is no need to substitute it. select “no substitution required’.
He suggested (there was collusions through objectors, due to similarities) in some letters sent to the council.
1
there was collusions from the objector, due to similarities
2
there was collusion between objectors, due to similarities
3
No substitution required
4
their was collusion by the objectors, due to similarities