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

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

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