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

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

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