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

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

*GRAMMAR*
lug -> RED 
 wif -> YELLOW 
 zup -> PINK 
 tufa -> BLUE 
 u1 fep x1 -> [u1] [x1] 
 u1 gazzer u2 -> [u2] [u1] 
 x1 kiki x2 -> [x1] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 