Line is related to Connection. you are likely to find Connection in/at/on Network. Network is related to Discovery. 
you would Celebrate because Alive. Celebrate is a synonym of Mark. Mark is related to Remark. 
Line <--RelatedTo--> Connection --AtLocation--> Network <--RelatedTo--> Discovery 
Alive <--MotivatedByGoal-- Celebrate <--Synonym--> Mark <--RelatedTo--> Remark 