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

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

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