フリー問題

問題文

Two lines leave one deciding step, and both of the tests written on them can be true for the very same incoming request. Which statement describes what the builder has to settle?

選択肢

1. When both tests can hold at once, the builder has to state the pairing between them beforehand, because the run takes the turning and never a second one
2. When both tests can hold at once, the builder has to state the pairing between them beforehand, because the run takes the ending and never a second one
3. When both tests can hold at once, the builder has to state the exclusion between them beforehand, because the run takes the ending and never a second one
4. When both tests can hold at once, the builder has to state the exclusion between them beforehand, because the run takes the turning and never a second one