Expect is a type of See. Expect is related to Thought. 
Rubber is related to Plant. Lemon is a type of Plant. Lemon is related to Taste. Bitter is a type of Taste. 
See <--IsA-- Expect <--RelatedTo--> Thought 
Rubber <--RelatedTo--> Plant <--IsA-- Lemon <--RelatedTo--> Taste <--IsA-- Bitter 