Answer:
This thing runs but cannot walk, sometimes sings but never talks. Lacks arms, has hands; lacks a head but has a face.
What can be heard and caught but never seen?
You throw me out when you want to use me and you take me in when you don't want to use me. Who am I?
What has roots that nobody sees, and is taller than trees. Up, up it goes, and yet it never grows.
A seed am I, three letters make my name. Take away two and I still sound the same.
Lynn likes grapes but not potatoes. She likes squash but not lettuce, and she likes peas but not onions. Following the same rule, will she like pumpkins or apples?