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

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

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