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

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

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