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

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

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