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

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

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