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: rattata
before: unlead
after: leading
attr: state

Output: state of rattata was unlead before and leading afterwards

Input: Consider Input: entity: seedlings
before: fuller
after: smaller
attr: size

Output: size of seedlings was fuller before and smaller afterwards

Input: Consider Input: entity: room
before: full
after: empty
attr: state
Output: state of room was full before and empty afterwards