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

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

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