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

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

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