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

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

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