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

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

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