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

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

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