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

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

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