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

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

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