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

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

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