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

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

*GRAMMAR*
wif -> RED 
 tufa -> PURPLE 
 zup -> YELLOW 
 blicket -> BLUE 
 x1 gazzer -> [x1] [x1] 
 x1 kiki x2 -> [x1] [x1] [x2] 
 u1 fep u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 