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

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

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