Fade is a type of Disappear. Disappear is a synonym of Melt. Plastic can Melt. 
Transition is related to Become. Become is related to Change. Lend is a type of Change. Factor is a type of Lend. 
Fade --IsA--> Disappear <--Synonym--> Melt <--CapableOf-- Plastic 
Transition <--RelatedTo--> Become <--RelatedTo--> Change <--IsA-- Lend <--IsA-- Factor 