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

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

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