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

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

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