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

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

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