1.   Alistair arrived at that minute, ending any possible explanation.

2.   Can anyone think of a possible explanation for why this is happening?

3.   Is the standard unified model the only possible explanation of the experimental data it so well describes?

4.   One possible explanation is that the beacons have a history of malfunctioning during bad weather.

5.   One possible explanation lies in the division of labour between women and men.

6.   Other possible explanations are that interferon alfa is directly toxic to hepatocytes and that it induces autoimmune chronic active hepatitis.

7.   The committee revises the list of possible explanations to produce a list of designated performance deficiencies.

8.   The first child offers a possible explanation which reasonably draws on his knowledge of how water levels in containers can go down.

9.   The only possible explanation is that they are holding a wooden effigy.