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

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

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