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

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

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