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

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

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