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

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

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