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

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

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