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

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

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