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

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

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