along - in - on - into - through
"So, people with dogs are walking (a) the main path, people
are picnicking ... (b) the grass, a man is walking his dog (c) the
park, a child is jumping ... (d) the lake and a woman is swimming
(e) the lake."
So, people with dogs are walking along the main path, people are picnicking on the grass, a man is walking his dog through the park, a child is jumping into the lake and a women is swimming in the lake.
