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

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

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