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

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

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