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

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

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