The following statements (S1, S2, S3) pertain to Plane table surveying. Identify the correct statements.
S1: The three point problem is a problem of resection.
S2: The two point problem is not a problem of resection.
S3: Two point problem is a problem of finding the line joining two points.
1
S1 only
2
S1 and S2
3
S2 and S3
4
S2 only