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

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

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