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

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

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