Darkness is a different concept from Light. Light is related to Rest. you would Rest because Weak. Weak is a synonym of Faint. 
Shout is a synonym of Call. Call is related to Attention. Attention is a type of Work. 
Darkness <--DistinctFrom--> Light <--RelatedTo--> Rest --MotivatedByGoal--> Weak <--Synonym--> Faint 
Shout <--Synonym--> Call <--RelatedTo--> Attention --IsA--> Work 