Q: "Two Buddhist monk apprentices descend a staircase." Does this mean that "Two monks on a staircase."?
A: yes

Q: "Speed ball paintball team starting the first round." Does this mean that "paintball team preparing for a win"?
A: it is not possible to tell

Q: "Group of cyclists in riding gear with helmets." Does this mean that "Group of people on bikes"?
A: yes

Q: "A woman in black pushing a stroller." Does this mean that "A person in black pushing a stroller."?
A:
yes