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

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

*GRAMMAR*
dax -> YELLOW 
 zup -> PURPLE 
 wif -> PINK 
 fep -> GREEN 
 x1 gazzer x2 -> [x1] [x2] 
 u1 tufa u2 -> [u1] [u2] [u1] [u1] [u2] 
 u1 lug u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 