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

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

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