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: lemon
before: whole
after: sliced
attr: size
size of lemon was whole before and sliced afterwards

entity: memory card
before: at store
after: in shopping bag
attr: location
location of memory card was at the store before and in a shopping bag afterwards

entity: stove burner
before: off
after: on
attr: power
power of stove burner was off before and on afterwards