Directions: Find out whether there is an error in the highlighted parts. The error, if any, will be in one part. If there is no error, the answer is (5). Ignore errors of punctuation, if any.

We went to the suburbs to take a survey about the realizable market for launching our product. The only problem is communication - very few buses ply every day. The Rangpur Nagar petrol pump is the near to our showroom.