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

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

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