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

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

*GRAMMAR*
kiki -> GREEN 
 gazzer -> YELLOW 
 zup -> BLUE 
 wif -> RED 
 u1 lug u2 -> [u1] [u2] [u2] [u1] [u1] [u1] 
 x1 fep x2 -> [x2] [x1] 
 u1 tufa x1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 