Answer: 2, 4, 1, 5, 3
Step-by-step explanation:
P: Arguments are not arranged in regular order like the one I am used to
Q: I cannot understand ~Q: I can understand
R: I grumble ~R: I do not grumble
S: Get a headache
T: Examples are not easy
Here is the logic order of the given sentences:
2) P
4) P → Q
1) ~Q → ~R
5) ~R → S
3) S → T
∴) T