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

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

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