Q: "two guys riding bikes together" Does this mean that "The two guys were excersising together"?
A: it is not possible to tell

Q: "A young person is swinging over a bar in a backyard." Does this mean that "The you person is playing with a train set."?
A: no

Q: "Four men, one in a long blue robe, looking like they are doing laundry in a muddy pit in a 3rd world country." Does this mean that "A man in a blue robe and three other men are surrounded by mud while they work."?
A: yes

Q: "An old man reading a periodical sitting in a bus beside a houseplant." Does this mean that "A man hugging a woman."?
A:
no