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

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

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