Two elderly people walk down a city sidewalk by words written in chalk .
an old married couple walks near some words they just wrote on the sidewalk
Two elderly people walk down a city sidewalk by words written in chalk.
an old married couple walks near some words they just wrote on the sidewalk
There are two men walking together, they aren't an old married couple and they probably didn't write the words on the  sidewalk.
There are two men walking together , they are n't an old married couple and they probably did n't write the words on the sidewalk .