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

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

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