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

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

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