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

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

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