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

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

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