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

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

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