Step 1: Analyze assumption 1:
This is not necessarily true. The rule doesn’t imply that students can't be identified without ID — just that it's a rule to carry it.
Step 2: Analyze assumption 2:
Yes, asking students to carry ID cards logically assumes that they are needed for regulation and security. So, only assumption 2 is valid.





Rearrange the following parts to form a meaningful and grammatically correct sentence:
P. a healthy diet and regular exercise
Q. are important habits
R. that help maintain good physical and mental health
S. especially in today's busy world