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

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

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