Q: "A young girl plays in a toy firetruck inside a shoe store." Does this mean that "A young girl plays in a fake firetruck by a shoe store."?
A: yes

Q: "A baby sitting outside in a highchair eating." Does this mean that "A infant is outside getting read to eat."?
A: yes

Q: "A man and two women on one motorcycle." Does this mean that "Two of the people are married to each other."?
A: it is not possible to tell

Q: "Man in a suit holding a briefcase viewed from behind walking up an ornate stone staircase." Does this mean that "A woman goes for a jog in her bikini."?
A:
no