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

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

*GRAMMAR*
wif -> BLUE 
 lug -> PURPLE 
 fep -> PINK 
 tufa -> YELLOW 
 x1 zup -> [x1] [x1] 
 x1 dax x2 -> [x1] [x1] [x2] [x1] [x1] [x2] [x2] 
 u1 gazzer x1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 