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

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

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