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

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

*GRAMMAR*
dax -> BLUE 
 blicket -> YELLOW 
 wif -> RED 
 kiki -> PINK 
 x1 lug -> [x1] [x1] 
 u1 fep u2 -> [u1] [u2] 
 x1 tufa x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 