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

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

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