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

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

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