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

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

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