sentence: A man with no shirt on mows the lawn with an electric mower, while a black dog watches and runs around. sentence:  He mows under the swing set, then takes the bag off the mower and empties it into a black plastic bag. sentence:  He lights a cigarette and then he rakes up the leftover grass and puts it in the bag. sentence:  Finally he trims up around the edges of the swing set and rakes up a bit more while the dog follows him around.