Q: "A lot of people are wearing umbrellas while waiting for the store to open." Does this mean that "The people are inside the open store."?
A: no

Q: "A baby crying while on a ride." Does this mean that "The baby is outdoors."?
A: it is not possible to tell

Q: "Workmen under a freeway manipulating a metal cover on roadwork." Does this mean that "Workmen are working under the freeway with a metal cover."?
A: yes

Q: "Two people look over a terrace wall." Does this mean that "The terrace wall was very high."?
A:
it is not possible to tell