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

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

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