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

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

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