Which one of the following statements is TRUE?
- Cant deficiency is related to train moving faster, and Cant excess is related to train moving slower.
- Cant deficiency is related to train moving slower, and Cant excess is related to train moving faster.
- Cant deficiency is related to train moving on the main line, and Cant excess is related to train moving on the branch line.
- Cant deficiency is related to train moving on the branch line, and Cant excess is related to train moving on the main line.
