Behavior is related to Good. Good is related to Luck. Person wants (to) Luck. 
Incentive is related to Reward. Reward is related to Give. Give is related to Christmas. Christmas is related to Full. 
Behavior <--RelatedTo--> Good <--RelatedTo--> Luck <--Desires-- Person 
Incentive <--RelatedTo--> Reward <--RelatedTo--> Give <--RelatedTo--> Christmas <--RelatedTo--> Full 