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

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

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