*SUPPORT*
IN: blicket zup kiki wif OUT: GREEN BLUE PINK PURPLE
IN: zup tufa blicket OUT: GREEN BLUE GREEN
IN: blicket kiki kiki tufa zup OUT: BLUE GREEN PINK PINK BLUE
IN: blicket lug wif OUT: GREEN PURPLE PURPLE
IN: kiki OUT: PINK
IN: wif dax OUT: PURPLE PURPLE
IN: zup kiki lug wif lug kiki lug wif OUT: BLUE PINK PURPLE PURPLE PINK PINK PURPLE PURPLE
IN: kiki lug wif OUT: PINK PURPLE PURPLE
IN: kiki dax lug blicket OUT: PINK PINK GREEN GREEN
IN: wif OUT: PURPLE
IN: zup OUT: BLUE
IN: zup wif OUT: BLUE PURPLE
IN: kiki dax OUT: PINK PINK
IN: zup kiki dax lug zup OUT: BLUE PINK PINK BLUE BLUE

*QUERY*
IN: wif blicket lug blicket lug zup OUT: PURPLE GREEN GREEN GREEN BLUE BLUE
IN: zup wif dax OUT: BLUE PURPLE PURPLE
IN: zup dax OUT: BLUE BLUE
IN: wif wif OUT: PURPLE PURPLE
IN: zup wif tufa kiki lug wif OUT: PINK PURPLE PURPLE BLUE PURPLE PINK PURPLE PURPLE
IN: wif wif dax OUT: PURPLE PURPLE PURPLE
IN: blicket dax OUT: GREEN GREEN
IN: blicket OUT: GREEN
IN: zup blicket dax lug blicket OUT: BLUE GREEN GREEN GREEN GREEN
IN: wif zup OUT: PURPLE BLUE

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