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

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

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