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.

Let me give you an example:  entity: arm 
before: free 
after: grasped 
attr: state
The answer to this example can be: state of arm was free before and grasped afterwards
Here is why: The attribute state of the entity arm was free before and afterwards it was grasped hence the output.

OK. solve this:
entity: carob powder, nuts 
before: separate 
after: mixed 
attr: composition
Answer:
composition of carob powder, nuts was separate before and mixed afterwards