question:
A manager role may also be filled by a "valet", typically an appealing female who may participate in love triangle storylines, "damsel in distress" situations, and scripted fights with female wrestlers.
Who else can perform the manager role?

answer: yes

question:
The Canadian Armed Forces have a total reserve force of approximately 50,000 primary and supplementary that can be called upon in times of national emergency or threat.
When can the reserve force be called upon?

answer: yes

question:
Passive infrared sensors react to changes in heat, such as the pattern created by a moving person.
What does a passive infrared sensor react to?

answer: yes

question:
In Iberia, the Christian kingdoms continued to gain land from the Muslim kingdoms of the peninsula; Portugal concentrated on expanding overseas during the 15th century, while the other kingdoms were riven by difficulties over royal succession and other concerns.
During what century did Portugal devote itself to overseas expansion?

answer:
yes