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

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

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