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

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

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