1.   Does such a curious situation ever arise?

2.   If an emergency situation arises, the pilot and crew must stay calm.

3.   If such a situation arises a break to reconsider positions is valuable.

4.   If the conditions were such during trial that an actual or potentially hazardous situation arose questions of safety predominate.

5.   In practice, this situation will arise only very rarely if a regime of symptom control and no more has been adopted.

6.   Kasparov was thrown off by the computer adjusting its strategy as different situations arose.

7.   Others in the plane were smoking, and a combustible situation might arise.

8.   Sometimes a situation like that arises where you have to be more prepared mentally, and I feel I was.

9.   Such a situation does often arise, for example in the feedback control of a chemical process.