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.

entity: comb
before: on table
after: in hand
attr: location
location of comb was on the table before and in hand afterwards

entity: the viola
before: uncoated
after: now coated in hard polyurethane varnish
attr: state
state of the viola was uncoated before and now coated in a hard polyurethane varnish afterwards

entity: saucepan
before: empty
after: full
attr: state
state of saucepan was empty before and full afterwards