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

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

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