*SUPPORT*
IN: fep gazzer dax OUT: GREEN RED
IN: dax OUT: GREEN
IN: fep OUT: RED
IN: dax gazzer dax OUT: GREEN GREEN
IN: dax kiki lug gazzer dax OUT: GREEN BLUE GREEN
IN: lug gazzer lug wif dax OUT: BLUE BLUE BLUE BLUE BLUE BLUE GREEN GREEN
IN: lug gazzer fep OUT: RED BLUE
IN: dax gazzer tufa OUT: PINK GREEN
IN: lug kiki tufa kiki fep lug gazzer tufa OUT: RED PINK BLUE PINK BLUE
IN: tufa OUT: PINK
IN: lug OUT: BLUE
IN: fep tufa wif tufa OUT: RED PINK RED PINK RED PINK PINK PINK
IN: lug kiki fep gazzer dax OUT: GREEN RED BLUE
IN: fep lug OUT: RED BLUE

*QUERY*
IN: lug wif fep OUT: BLUE BLUE BLUE RED RED
IN: tufa dax kiki fep kiki tufa tufa OUT: PINK PINK PINK RED GREEN
IN: lug gazzer lug OUT: BLUE BLUE
IN: dax gazzer lug OUT: BLUE GREEN
IN: fep gazzer lug OUT: BLUE RED
IN: tufa gazzer dax OUT: GREEN PINK
IN: lug tufa OUT: BLUE PINK
IN: fep dax wif lug OUT: RED GREEN RED GREEN RED GREEN BLUE BLUE
IN: tufa kiki fep kiki dax gazzer tufa OUT: PINK GREEN RED PINK
IN: lug tufa gazzer fep OUT: BLUE RED PINK

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