Q: "A man with no shirt fishing." Does this mean that "A man is fishing."?
A: yes

Q: "A solo kayaker, who is wearing a light blue shirt and black helmet, fights against the rapids." Does this mean that "A kayaker fights the rapids after being capsized."?
A: it is not possible to tell

Q: "The boy in the black and yellow mask is talking with the man in the blue shirt." Does this mean that "A girl is talking."?
A: no

Q: "A woman is writing in a lined notebook at a desk with a coffee mug." Does this mean that "A woman is knitting in an armchair."?
A:
no