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

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

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