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

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

*GRAMMAR*
gazzer -> GREEN 
 fep -> BLUE 
 wif -> PINK 
 kiki -> PURPLE 
 x1 lug x2 -> [x1] [x2] 
 x1 blicket u1 -> [x1] [u1] 
 u1 dax u2 -> [u2] [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 