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

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

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