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

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

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