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

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

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