Comment is a type of Explain. Person wants (to) Explain. Person wants (to) Loyalty. Loyalty is related to Exhibit. 
Acknowledge is a synonym of Concede. Concede is a type of Give. 
Comment --IsA--> Explain <--Desires-- Person --Desires--> Loyalty <--RelatedTo--> Exhibit 
Acknowledge <--Synonym--> Concede --IsA--> Give 