Lost is related to Sea. Sea is related to Shell. Shell is a synonym of Blast. 
Swimming can cause/lead to Drown. Swimming can be used for Pleasure. you would Kiss because Pleasure. 
Lost <--RelatedTo--> Sea <--RelatedTo--> Shell <--Synonym--> Blast 
Drown <--Causes-- Swimming --UsedFor--> Pleasure <--MotivatedByGoal-- Kiss 