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

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

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