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

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

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