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

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

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