Context: our department is budgeted for 5 people and we have 10 . ugh . it 's lame . i ' ve been picking up shifts that coworkers do n't want / if they call out sick . i ' m basically on call for the next 2 weeks .

Question: What may be the reason I will be on call ?
Options:
0. I will be on vacation .
1. We will be really understaffed .
2. I will be studying .
3. It is policy
Answer: 1