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

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

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