Directions: Select the appropriate phrase(s) or connector(s) from the three options provided that can be used to create a single sentence by connecting the two given sentences without changing their meaning.

Sentence l - Prolonged working hours cause sleep deprivation, impairing cognition.
Sentence ll - In aviation, rest and sleep are legally mandated to ensure passenger safety.

1. In light of this
2. Consequently
3. On the other hand