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

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

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