*SUPPORT*
IN: lug wif zup tufa blicket OUT: BLUE YELLOW GREEN RED YELLOW
IN: lug zup wif OUT: BLUE YELLOW BLUE
IN: lug lug gazzer blicket OUT: BLUE RED BLUE RED RED
IN: tufa dax blicket zup tufa OUT: RED GREEN RED GREEN
IN: tufa blicket wif OUT: GREEN RED YELLOW
IN: blicket blicket zup tufa OUT: RED RED GREEN RED
IN: wif zup blicket OUT: YELLOW RED YELLOW
IN: tufa wif zup blicket tufa OUT: GREEN YELLOW RED GREEN YELLOW
IN: lug tufa zup wif OUT: BLUE GREEN YELLOW GREEN
IN: wif zup wif OUT: YELLOW YELLOW YELLOW
IN: lug tufa gazzer lug OUT: BLUE BLUE GREEN BLUE BLUE
IN: tufa OUT: GREEN
IN: blicket gazzer blicket OUT: RED RED RED RED
IN: lug lug gazzer blicket dax lug zup lug OUT: BLUE BLUE BLUE BLUE RED BLUE RED RED

*QUERY*
IN: wif gazzer tufa OUT: GREEN YELLOW GREEN GREEN
IN: tufa gazzer wif OUT: YELLOW GREEN YELLOW YELLOW
IN: wif OUT: YELLOW
IN: blicket OUT: RED
IN: blicket dax lug zup wif OUT: BLUE YELLOW BLUE RED
IN: tufa zup lug OUT: GREEN BLUE GREEN
IN: lug blicket zup lug OUT: BLUE RED BLUE RED
IN: wif dax wif OUT: YELLOW YELLOW
IN: lug tufa zup tufa OUT: BLUE GREEN GREEN GREEN
IN: lug OUT: BLUE

*GRAMMAR*
wif -> YELLOW 
 lug -> BLUE 
 blicket -> RED 
 tufa -> GREEN 
 u1 zup x1 -> [u1] [x1] [u1] 
 x1 dax x2 -> [x2] [x1] 
 u1 gazzer x1 -> [x1] [u1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 