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

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

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