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

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

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