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

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

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