Pop is related to Test. Test is related to Tool. Tool is related to Board. Board is related to Chair. 
Origin is related to Birthday. Birthday is related to Increasing. Increasing is related to Stretch. 
Pop <--RelatedTo--> Test <--RelatedTo--> Tool <--RelatedTo--> Board <--RelatedTo--> Chair 
Origin <--RelatedTo--> Birthday <--RelatedTo--> Increasing <--RelatedTo--> Stretch 