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

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

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