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: materials 
before: at gun store 
after: at home 
attr: location
location of materials was at gun store before and at home afterwards

entity: ingredients 
before: separate 
after: combined 
attr: state
state of ingredients was separate before and combined afterwards

entity: sanding pad 
before: new 
after: old 
attr: age

age of sanding pad was new before and old afterwards

