Name the greatest invention ever.
| 1 | airplane | |
|---|---|---|
| 1 | plane | |
| 1 | learjet | |
| 1 | jet | |
| 2 | vehicle | |
| 2 | car | |
| 2 | jalopy | |
| 2 | automobile | |
| 2 | truck | |
| 2 | van | |
| 3 | electricity | |
| 3 | current | |
| 3 | power | |
| 3 | hydro | |
| 4 | phone | |
| 4 | telephone | |
| 4 | mobile | |
| 4 | cell phone | |
| 5 | light bulb | |
| 5 | bulb | |
| 6 | computer | |
| 6 | use computer | |
| 6 | desktop | |
| 6 | internet | |
| 6 | surf internet | |
| 6 | laptop | |
| 6 | pc | |
| 6 | mac |