Laughter is related to Happy. Celebrate requires Happy. Celebrate is a synonym of Mark. Mark is related to Note. 
Absorb is a type of Interest. Interest is related to Curiosity. 
Laughter <--RelatedTo--> Happy <--HasPrerequisite-- Celebrate <--Synonym--> Mark <--RelatedTo--> Note 
Absorb --IsA--> Interest <--RelatedTo--> Curiosity 