Reaction is a type of Resistance. Reaction is related to Feel. Feel is related to Fit. Fit is related to Match. 
Doctor is related to Examination. Examination is related to Long. 
Resistance <--IsA-- Reaction <--RelatedTo--> Feel <--RelatedTo--> Fit <--RelatedTo--> Match 
Doctor <--RelatedTo--> Examination <--RelatedTo--> Long 