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

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

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