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

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

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