Content is related to Satisfaction. Satisfaction is a synonym of Comfort. Comfort is related to Physical. Physical is related to Might. 
Index is related to Point. Point is related to Game. Game is related to Competition. Swimming can be used for Competition. 
Content <--RelatedTo--> Satisfaction <--Synonym--> Comfort <--RelatedTo--> Physical <--RelatedTo--> Might 
Index <--RelatedTo--> Point <--RelatedTo--> Game <--RelatedTo--> Competition <--UsedFor-- Swimming 