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

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

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