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

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

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