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

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

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