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

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

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