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

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

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