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

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

*GRAMMAR*
dax -> GREEN 
 zup -> RED 
 wif -> BLUE 
 blicket -> PURPLE 
 x1 lug -> [x1] [x1] 
 x1 fep -> [x1] [x1] 
 u1 tufa u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 