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

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

*GRAMMAR*
gazzer -> PURPLE 
 zup -> GREEN 
 lug -> RED 
 tufa -> BLUE 
 x1 fep x2 -> [x2] [x1] [x1] 
 x1 kiki x2 -> [x2] [x1] 
 u1 wif -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 