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

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

*GRAMMAR*
fep -> RED 
 dax -> GREEN 
 zup -> PINK 
 tufa -> BLUE 
 u1 kiki u2 -> [u1] [u2] 
 u1 blicket -> [u1] [u1] [u1] [u1] [u1] 
 u1 wif u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 