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

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

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