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

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

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