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

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

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