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

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

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