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

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

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