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

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

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