Directions: The following sentence has been divided into parts. One of them contains an error. Select the part that contains the error from the given options.
You must avoid riding in a crowded bus / or travelling in a metro / during rush hour / as both are quiet unpleasant experiences.
1
as both are quiet unpleasant experiences
2
during rush hour
3
or travelling in a metro
4
You must avoid riding in a crowded bus