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

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

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