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

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

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