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

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

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