*SUPPORT*
IN: fep wif OUT: RED BLUE
IN: wif OUT: BLUE
IN: wif tufa zup OUT: BLUE GREEN GREEN GREEN GREEN
IN: kiki wif zup OUT: PINK BLUE BLUE BLUE BLUE
IN: fep fep zup OUT: RED RED RED RED RED
IN: kiki zup OUT: PINK PINK PINK PINK
IN: wif zup OUT: BLUE BLUE BLUE BLUE
IN: fep OUT: RED
IN: wif tufa gazzer OUT: BLUE GREEN BLUE GREEN BLUE GREEN
IN: kiki fep tufa zup OUT: PINK RED GREEN GREEN GREEN GREEN
IN: kiki fep zup OUT: PINK RED RED RED RED
IN: fep tufa zup OUT: RED GREEN GREEN GREEN GREEN
IN: fep zup OUT: RED RED RED RED
IN: kiki OUT: PINK

*QUERY*
IN: kiki gazzer OUT: PINK PINK PINK
IN: wif gazzer OUT: BLUE BLUE BLUE
IN: wif kiki OUT: BLUE PINK
IN: wif fep OUT: BLUE RED
IN: tufa zup OUT: GREEN GREEN GREEN GREEN
IN: kiki tufa zup OUT: PINK GREEN GREEN GREEN GREEN
IN: tufa wif OUT: GREEN BLUE
IN: tufa tufa OUT: GREEN GREEN
IN: kiki wif blicket fep tufa OUT: PINK BLUE PINK BLUE RED GREEN
IN: tufa OUT: GREEN

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