Throw is related to Ball. Ball is a synonym of Lay. Lay is related to Go. Go is a synonym of Try. 
Second is a synonym of Endorse. Sign entails/necessarily involves Endorse. Sign is related to Instructional. 
Throw <--RelatedTo--> Ball <--Synonym--> Lay <--RelatedTo--> Go <--Synonym--> Try 
Second <--Synonym--> Endorse <--Entails-- Sign <--RelatedTo--> Instructional 