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

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

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