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

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

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