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

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

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