context: Receive letter does not require ask for it. Write letter requires think. Relax is involved with read. Climb ladder does not require listen to some music. Relax requires listen to some music. Receive letter requires write letter. Agree with someone requires go to boot camp. Write letter is involved with run out of ink. Receive letter does not require learn how to swim. Climb ladder requires go to boot camp. Think requires relax.
text: Write letter requires relax.