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

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

*GRAMMAR*
fep -> PINK 
 wif -> YELLOW 
 zup -> PURPLE 
 tufa -> BLUE 
 x1 gazzer x2 -> [x1] [x2] 
 u1 dax u2 -> [u1] [u2] 
 x1 kiki u1 -> [x1] [x1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 