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

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

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