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

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

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