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

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

*GRAMMAR*
gazzer -> BLUE 
 dax -> PURPLE 
 zup -> YELLOW 
 wif -> GREEN 
 x1 kiki x2 -> [x1] [x2] 
 u1 tufa u2 -> [u2] [u1] 
 u1 lug u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 