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

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

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