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

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

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