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

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

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