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

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

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