Q: "Two elderly women examine a cake on a table." Does this mean that "two people look at the dessert"?
A: yes

Q: "A lady in a gray shirt sits calmly by her friend at the table." Does this mean that "An elderly lady sitting by her best friend at a restaurant."?
A: it is not possible to tell

Q: "A train passes a number of people on a subway platform." Does this mean that "There are many people on subway platform."?
A: yes

Q: "A family in a log cabin setting up for a birthday party" Does this mean that "A family in a brick cabin setting up for a birthday party"?
A:
no