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: gymnast 
before: practicing alone 
after: being taught by coach 
attr: education
education of gymnast was practicing alone before and being taught by a coach afterwards

entity: you 
before: needing to face venom and sandman 
after: finished facing venom and sandman 
attr: state
state of you was needing to face venom and sandman before and finished facing venom and sandman afterwards

entity: you 
before: unaware you should accept all challenges 
after: accepting all challenges 
attr: knowledge

knowledge of you was unaware you should accept all challenges before, and accepting all challenges afterwards.

