Mandate is etymologically related to Demand. Demand is a synonym of Need. Need is related to Feeling. Feeling is related to Desire. 
Experienced is related to Tough. Tough is related to Person. Person can Laugh. Laugh is related to Humor. 
Mandate --EtymologicallyRelatedTo--> Demand <--Synonym--> Need <--RelatedTo--> Feeling <--RelatedTo--> Desire 
Experienced <--RelatedTo--> Tough <--RelatedTo--> Person --CapableOf--> Laugh <--RelatedTo--> Humor 