you are likely to find Safety in/at/on Football. Football is related to Sport. Sport is related to Pass. Give is a type of Pass. 
Work is related to Think. Computer can Think. you are likely to find Software in/at/on Computer. Evolution is a type of Software. 
Safety --AtLocation--> Football <--RelatedTo--> Sport <--RelatedTo--> Pass <--IsA-- Give 
Work <--RelatedTo--> Think <--CapableOf-- Computer <--AtLocation-- Software <--IsA-- Evolution 