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

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

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