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

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

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