*SUPPORT*
IN: fep OUT: GREEN
IN: tufa tufa kiki zup OUT: BLUE YELLOW BLUE
IN: zup dax zup OUT: YELLOW PURPLE YELLOW
IN: zup kiki fep OUT: GREEN YELLOW
IN: dax OUT: PURPLE
IN: tufa kiki zup OUT: YELLOW BLUE
IN: zup OUT: YELLOW
IN: fep kiki tufa OUT: BLUE GREEN
IN: tufa wif OUT: BLUE BLUE BLUE BLUE
IN: zup kiki zup OUT: YELLOW YELLOW
IN: fep kiki dax wif OUT: PURPLE GREEN PURPLE GREEN PURPLE GREEN PURPLE GREEN
IN: tufa OUT: BLUE
IN: fep tufa kiki zup OUT: GREEN YELLOW BLUE
IN: dax kiki fep wif OUT: GREEN PURPLE GREEN PURPLE GREEN PURPLE GREEN PURPLE

*QUERY*
IN: dax wif OUT: PURPLE PURPLE PURPLE PURPLE
IN: fep tufa wif OUT: GREEN BLUE GREEN BLUE GREEN BLUE GREEN BLUE
IN: zup kiki tufa wif OUT: BLUE YELLOW BLUE YELLOW BLUE YELLOW BLUE YELLOW
IN: zup dax wif OUT: YELLOW PURPLE YELLOW PURPLE YELLOW PURPLE YELLOW PURPLE
IN: tufa zup wif OUT: BLUE YELLOW BLUE YELLOW BLUE YELLOW BLUE YELLOW
IN: fep kiki fep wif OUT: GREEN GREEN GREEN GREEN GREEN GREEN GREEN GREEN
IN: tufa kiki fep OUT: GREEN BLUE
IN: dax kiki dax OUT: PURPLE PURPLE
IN: tufa kiki zup wif OUT: YELLOW BLUE YELLOW BLUE YELLOW BLUE YELLOW BLUE
IN: dax kiki zup OUT: YELLOW PURPLE

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