user
They can trickle down,  They can tickle too.   Or make you sneeze,  Or comfort you.   Their rustling sound,  you've rarely heard,  Unless you're a pillow  or a bird!   What are they?
A: connect
B: frogmouth
C: plumes
D: threskiornithidae
E: they are feathers
assistant
<|begin_of_thought|>

Deep Thought is thinking for 7.5 million years.

<|end_of_thought|>

<|begin_of_solution|>

E

<|end_of_solution|>