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

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

*GRAMMAR*
blicket -> YELLOW 
 fep -> PINK 
 dax -> RED 
 kiki -> GREEN 
 x1 tufa -> [x1] [x1] [x1] 
 u1 zup u2 -> [u2] [u1] 
 x1 gazzer x2 -> [x2] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 