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

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

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