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

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

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