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

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

*GRAMMAR*
zup -> YELLOW 
 dax -> RED 
 kiki -> PURPLE 
 lug -> GREEN 
 x1 wif u1 -> [x1] [u1] 
 x1 blicket u1 -> [u1] [x1] 
 u1 tufa u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 