Q: "Three dancers performing on a stage." Does this mean that "The dancers performed on stage."?
A: yes

Q: "People in an outdoor market with colorful plastic containers filled with dried food." Does this mean that "It is a farmers market."?
A: it is not possible to tell

Q: "Men in a band playing on stage." Does this mean that "The men in the band are singing and playing instruments"?
A: yes

Q: "A little girl is talking on a cellphone on the floor of a living room." Does this mean that "She is speaking to her mom who lives in a different state."?
A:
it is not possible to tell