@"Spencer D" said:
All dinosaurs that hunt its prey can run, swim and fly.
Dinosaurs that cannot run, cannot swim or cannot fly are easy to catch and delicious to eat.
You should be ok. Your account is valid for 5 years and that includes the LORs. Be mindful though that after sometime a LOR can look rusty so it's usually a good idea to get a refreshed one from the same professor if possible.
@"Giant Panda" a few of your terms seem to be a bit off for steps 2 and 3. The stimulus is actually where we read about the stuff that forms the argument or fact set. The question stem is what asks us to perform a certain task.