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

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

*GRAMMAR*
dax -> GREEN 
 blicket -> BLUE 
 lug -> PURPLE 
 tufa -> PINK 
 u1 fep u2 -> [u2] [u1] [u2] 
 x1 gazzer x2 -> [x2] [x1] 
 x1 wif u1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 