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

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

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