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

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

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