Vocal is related to Laugh. Laugh is related to Hope. Encourage can cause/lead to Hope. Encourage is the opposite of Discourage. 
Sun is a type of Newspaper. Sun is a type of Star. Star is a type of Actor. Actor is a synonym of Participant. 
Vocal <--RelatedTo--> Laugh <--RelatedTo--> Hope <--Causes-- Encourage <--Antonym--> Discourage 
Newspaper <--IsA-- Sun --IsA--> Star --IsA--> Actor <--Synonym--> Participant 