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

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

*GRAMMAR*
tufa -> YELLOW 
 fep -> BLUE 
 dax -> RED 
 lug -> PURPLE 
 x1 blicket x2 -> [x1] [x2] 
 u1 wif -> [u1] [u1] 
 u1 zup -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 