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

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

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