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

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

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