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

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

*GRAMMAR*
blicket -> RED 
 gazzer -> YELLOW 
 wif -> BLUE 
 dax -> GREEN 
 x1 tufa x2 -> [x1] [x2] 
 u1 lug -> [u1] [u1] [u1] 
 u1 fep -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 