Given an entity, a before event, an after event, and an attribute related to the entity, generate a sentence as output. Your sentence should show the changes in the attribute of the entity.

[EX Q]: entity: bicycle
before: moving
after: stationary
attr: motion
[EX A]: motion of bicycle was moving before and stationary afterwards

[EX Q]: entity: onion
before: whole
after: sliced
attr: composition
[EX A]: composition of onion was whole before and sliced afterwards

[EX Q]: entity: bill
before: bent
after: folded into valley
attr: shape
[EX A]:
shape of bill was bent before and folded into a valley afterwards