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

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

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