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

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

*GRAMMAR*
tufa -> GREEN 
 wif -> PINK 
 gazzer -> RED 
 kiki -> BLUE 
 x1 lug x2 -> [x1] [x2] 
 x1 zup -> [x1] [x1] 
 u1 dax u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 