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

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

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