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

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

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