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

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

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