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

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

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