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

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

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