Signal is related to Dish. you are likely to find Dish in/at/on Kitchen. Kitchen is related to Lunch. 
Plant is the opposite of Mineral. Glass is a type of Mineral. Glass is related to Hand. Handful is derived from Hand. 
Signal <--RelatedTo--> Dish --AtLocation--> Kitchen <--RelatedTo--> Lunch 
Plant <--Antonym--> Mineral <--IsA-- Glass <--RelatedTo--> Hand <--DerivedFrom-- Handful 