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

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

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