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

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

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