Q: "A man in a camel colored jacket." Does this mean that "The man is wearing a jacket."?
A: yes

Q: "a brown and black dog running on a shore near the beach." Does this mean that "A dog running around while it's owner watches from a beach chair."?
A: it is not possible to tell

Q: "A man standing on top of some big rocks overlooking a sea on a secluded beach with is hand over his eyes trying to look far off at something." Does this mean that "The man is sititng in a beach chair."?
A: no

Q: "A guitar player sings on a stage." Does this mean that "The person is performing music."?
A:
yes