| 1 | This should all work in reverse. | |
| 2 | But the finger I pointed at her turned back to me. | |
| 3 | In turn scientists have retreated to their 'ivory towers', she said. | |
| 4 | This, in turn, would increase the scope and variety of trials. | |
| 5 | He has the right to tell you what to do, not vice versa. |