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

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

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