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

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

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