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

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

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