Approve is related to Like. Like is related to Purpose. Purpose is a type of Decide. 
Like is related to Arm. Arm is related to Gun. Gun is related to Loud. 
Approve <--RelatedTo--> Like <--RelatedTo--> Purpose --IsA--> Decide 
Like <--RelatedTo--> Arm <--RelatedTo--> Gun <--RelatedTo--> Loud 