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

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

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