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

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

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