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

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

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