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

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

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