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

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

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