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

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

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