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

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

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