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

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

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