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

*QUERY*
IN: dax fep gazzer OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: dax fep OUT: YELLOW YELLOW YELLOW
IN: wif gazzer OUT: RED RED
IN: wif blicket dax OUT: RED GREEN YELLOW
IN: tufa kiki wif gazzer OUT: RED PINK RED PINK
IN: dax kiki tufa OUT: PINK YELLOW
IN: blicket kiki dax OUT: YELLOW GREEN
IN: tufa gazzer fep OUT: PINK PINK PINK PINK PINK PINK
IN: dax blicket gazzer OUT: YELLOW GREEN YELLOW GREEN
IN: dax kiki dax gazzer OUT: YELLOW YELLOW YELLOW YELLOW

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