| 1 | There is a distant connection between the two theories. | |
| 2 | Mathematics and astronomy are cognate sciences. | |
| 3 | The various branches of the national economy are interrelated and interdependent. | |
| 4 | What kinds of ideas come forward? What patterns or associations do you find? | |
| 5 | So a lot hangs on whether the association between gene and disease is real. |