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

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

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