Q: "A man riding a bicycle drinks from a bottle of water." Does this mean that "A man is quenching himself."?
A: yes

Q: "Asian man fishes from the side of a boat." Does this mean that "A man fishes on a large boat."?
A: it is not possible to tell

Q: "Two brown dogs wearing collars fighting." Does this mean that "The dogs are playing"?
A: no

Q: "Two women are talking each on a cellphone while walking" Does this mean that "men playing chess"?
A:
no