*SUPPORT*
IN: fep lug lug OUT: GREEN GREEN GREEN GREEN
IN: tufa tufa zup OUT: RED RED PURPLE
IN: tufa tufa OUT: RED RED
IN: wif gazzer dax dax OUT: BLUE BLUE BLUE BLUE BLUE BLUE BLUE BLUE
IN: tufa OUT: RED
IN: wif gazzer dax OUT: BLUE BLUE BLUE BLUE
IN: zup lug OUT: PURPLE PURPLE
IN: zup gazzer dax OUT: PURPLE PURPLE PURPLE PURPLE
IN: zup OUT: PURPLE
IN: wif fep gazzer OUT: BLUE GREEN GREEN
IN: tufa tufa gazzer OUT: RED RED RED
IN: tufa zup gazzer OUT: RED PURPLE PURPLE
IN: wif OUT: BLUE
IN: fep OUT: GREEN

*QUERY*
IN: tufa gazzer dax dax OUT: RED RED RED RED RED RED RED RED
IN: tufa gazzer OUT: RED RED
IN: wif wif gazzer OUT: BLUE BLUE BLUE
IN: zup gazzer OUT: PURPLE PURPLE
IN: zup tufa wif lug OUT: PURPLE RED BLUE PURPLE RED BLUE
IN: zup dax lug OUT: PURPLE PURPLE PURPLE PURPLE
IN: tufa wif gazzer OUT: RED BLUE BLUE
IN: wif gazzer OUT: BLUE BLUE
IN: tufa lug OUT: RED RED
IN: tufa fep gazzer OUT: RED GREEN GREEN

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