Farmer is related to Pitch. Pitch is related to Grass. 
Crop is related to Growth. Growth is related to Increase. Increase is related to Change. Still is a type of Change. 
Farmer <--RelatedTo--> Pitch <--RelatedTo--> Grass 
Crop <--RelatedTo--> Growth <--RelatedTo--> Increase <--RelatedTo--> Change <--IsA-- Still 