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

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

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