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

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

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