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

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

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