Q: "A biker doing a jump in a forest." Does this mean that "A biker is out in the forest."?
A: yes

Q: "A group of children in coats are standing and sitting on a sidewalk." Does this mean that "A group of children in white coats."?
A: it is not possible to tell

Q: "A television crew films an interview with an older couple in winter coats." Does this mean that "An older couple being interviewed"?
A: yes

Q: "A person in a blue sweatshirt is doing a back bend." Does this mean that "A person is sleep."?
A:
no