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

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

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