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

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

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