Fellow is related to Buddy. Buddy is related to Deputy. Deputy is a type of Legislator. Legislator is a synonym of Lawmaker. 
Length is related to Day. Day is a type of Opportunity. Opportunity is related to Choose. Screen is a type of Choose. 
Fellow <--RelatedTo--> Buddy <--RelatedTo--> Deputy --IsA--> Legislator <--Synonym--> Lawmaker 
Length <--RelatedTo--> Day --IsA--> Opportunity <--RelatedTo--> Choose <--IsA-- Screen 