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

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

*GRAMMAR*
blicket -> YELLOW 
 zup -> BLUE 
 wif -> RED 
 gazzer -> PINK 
 u1 fep u2 -> [u1] [u2] 
 x1 dax x2 -> [x2] [x1] 
 u1 kiki -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 