Pressure is related to Weight. Weight is related to Quality. Accuracy is a type of Quality. Accuracy is derived from Accurate. 
Commitment is related to Marry. Marry is related to Bride. Bride is a type of Participant. 
Pressure <--RelatedTo--> Weight <--RelatedTo--> Quality <--IsA-- Accuracy --DerivedFrom--> Accurate 
Commitment <--RelatedTo--> Marry <--RelatedTo--> Bride --IsA--> Participant 