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

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

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