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

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

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