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

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

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