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

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

*GRAMMAR*
fep -> RED 
 wif -> PURPLE 
 dax -> YELLOW 
 blicket -> BLUE 
 u1 lug -> [u1] [u1] [u1] 
 x1 gazzer x2 -> [x1] [x1] [x1] [x2] [x2] [x2] 
 u1 zup u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 