*SUPPORT*
IN: kiki zup dax OUT: RED BLUE
IN: wif dax fep zup kiki gazzer fep OUT: PINK RED BLUE YELLOW YELLOW
IN: dax OUT: RED
IN: dax gazzer fep lug gazzer kiki OUT: RED YELLOW RED YELLOW BLUE
IN: dax zup kiki OUT: BLUE RED
IN: dax wif zup wif gazzer wif OUT: RED PINK PINK PINK
IN: kiki zup kiki lug OUT: BLUE BLUE BLUE BLUE
IN: wif kiki zup wif OUT: PINK PINK BLUE
IN: fep wif fep zup wif gazzer wif OUT: YELLOW PINK PINK YELLOW PINK
IN: wif kiki zup kiki lug OUT: PINK BLUE BLUE PINK BLUE BLUE
IN: kiki fep dax lug OUT: BLUE YELLOW RED BLUE YELLOW RED
IN: kiki zup fep OUT: YELLOW BLUE
IN: fep zup fep OUT: YELLOW YELLOW
IN: kiki fep OUT: BLUE YELLOW

*QUERY*
IN: fep fep gazzer kiki lug OUT: YELLOW YELLOW BLUE YELLOW YELLOW BLUE
IN: fep kiki fep OUT: YELLOW BLUE YELLOW
IN: dax dax gazzer kiki lug OUT: RED RED BLUE RED RED BLUE
IN: fep OUT: YELLOW
IN: dax lug OUT: RED RED
IN: dax zup wif OUT: PINK RED
IN: kiki OUT: BLUE
IN: fep wif OUT: YELLOW PINK
IN: fep zup kiki OUT: BLUE YELLOW
IN: kiki zup kiki OUT: BLUE BLUE

*GRAMMAR*
dax -> RED 
 wif -> PINK 
 kiki -> BLUE 
 fep -> YELLOW 
 x1 lug -> [x1] [x1] 
 u1 zup u2 -> [u2] [u1] 
 x1 gazzer u1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 