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

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

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