| 1 | Two consecutive sentences must hang together. | |
| 2 | This article is rather incoherent. | |
| 3 | I devised a coherent system for living. | |
| 4 | The centre has lacked a coherent research strategy in the past, say commentators. | |
| 5 | D. By this time it should begin to look more coherent and to take on a definite structure. |