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

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

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