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

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

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