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

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

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