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

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

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