In the question given below, three statements are given which may or may not contain and error in any part of the sentence. Identify the statements containing an error and also point out the part containing the error

1. Farhan supports the (A)/ idea because, first, (B)/ its simplicity second, (C) / it is unique. (D)

2. In itself, exercise does not (A)/ cause cancer; rather, a (B)/ sudden increase in a (C)/ exercise regimen can be a cause.(D)

3. Spanning six decades, a period that (A)/ encompasses dozens of albums, (B)/ Bob Dylan's career as a relevant musician (C)/ continues well into the 21st century. (D)