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

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

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