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

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

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