Match List-I with List-II.
| List-I | List-II |
|---|
| A. Both species are harmed | I. Predation |
| B. One species is harmed and the other is benefited | II. Mutualism |
| C. Both species are benefited | III. Competition |
| D. One is benefited while the other has no effect | IV. Commensalism |
Choose the correct answer from the options given below :