you are likely to find Pig in/at/on Mud. 
one thing you do when you Surprising is Grin. Surprising is related to Unexpected. Unexpected is the opposite of Natural. Natural is related to Wind. 
Pig --AtLocation--> Mud 
Grin <--HasSubevent-- Surprising <--RelatedTo--> Unexpected <--Antonym--> Natural <--RelatedTo--> Wind 