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

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

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