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

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

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