you are likely to find Bug in/at/on Rock. Secret can Bug. Secret is related to Crush. Crush is a synonym of Beat. 
Texture is a synonym of Grain. Grain is related to Vegetable. 
Rock <--AtLocation-- Bug <--CapableOf-- Secret <--RelatedTo--> Crush <--Synonym--> Beat 
Texture <--Synonym--> Grain <--RelatedTo--> Vegetable 