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

*QUERY*
IN: wif zup gazzer dax OUT: GREEN RED RED
IN: gazzer OUT: RED
IN: wif OUT: GREEN
IN: wif kiki OUT: GREEN BLUE
IN: fep wif zup kiki dax lug fep OUT: PINK GREEN BLUE BLUE PINK PINK
IN: wif zup fep OUT: GREEN PINK
IN: gazzer gazzer gazzer dax OUT: RED RED RED RED
IN: fep dax OUT: PINK PINK
IN: gazzer kiki kiki kiki zup gazzer OUT: RED BLUE BLUE BLUE RED
IN: fep zup wif dax OUT: PINK GREEN GREEN

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