Refer to the given Venn diagram and identify X, Y and Z.
| X | Y | Z | |
| A | Combine | Thresher | Sickle |
| B | Combine | Sickle | Thresher |
| C | Harvester | Sickle | Trowel |
| D | Sickle | Trowel | Harrow |
Can anybody explain this
Can anybody explain this