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.

Input: Consider Input: entity: hand
before: empty
after: holding pen
attr: state

Output: state of hand was empty before and holding a pen afterwards

Input: Consider Input: entity: the baton tip
before: in underarm
after: now straight up
attr: position

Output: position of the baton tip was in underarm before and now straight up afterwards

Input: Consider Input: entity: bird
before: covered in feathers
after: now bare skinned
attr: state
Output: state of bird was covered in feathers before and now bare skinned afterwards