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

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

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