*SUPPORT*
IN: wif tufa gazzer wif OUT: PINK GREEN PINK PINK PINK GREEN PINK
IN: wif OUT: PINK
IN: tufa OUT: GREEN
IN: tufa gazzer zup OUT: GREEN BLUE BLUE BLUE GREEN BLUE
IN: fep kiki wif OUT: PURPLE PINK PURPLE PINK PURPLE PURPLE
IN: wif wif gazzer wif OUT: PINK PINK PINK PINK PINK PINK PINK
IN: zup tufa gazzer zup OUT: BLUE GREEN BLUE BLUE BLUE GREEN BLUE
IN: tufa tufa kiki tufa OUT: GREEN GREEN GREEN GREEN GREEN GREEN GREEN
IN: wif lug OUT: PINK PINK
IN: tufa kiki tufa OUT: GREEN GREEN GREEN GREEN GREEN GREEN
IN: fep gazzer zup OUT: PURPLE BLUE BLUE BLUE PURPLE BLUE
IN: fep zup gazzer wif OUT: PURPLE BLUE PINK PINK PINK BLUE PINK
IN: fep fep OUT: PURPLE PURPLE
IN: fep kiki zup zup OUT: PURPLE BLUE BLUE PURPLE BLUE BLUE PURPLE PURPLE

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

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