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

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

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