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

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

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