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

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

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