Prove is related to Prosecution. Prosecution is part of Trial. Defense is part of Trial. Defense is related to Denial. 
Step is related to Stage. Stage is related to Construction. Construction is a type of Thinking. 
Prove <--RelatedTo--> Prosecution --PartOf--> Trial <--PartOf-- Defense <--RelatedTo--> Denial 
Step <--RelatedTo--> Stage <--RelatedTo--> Construction --IsA--> Thinking 