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

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

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