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

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

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