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

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

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