Q: "The doctor is talking to the patient who is hooked up and receiving medication." Does this mean that "The doctor is treating a patient."?
A: yes

Q: "A young lady is being videotaped while she's sitting in her stroller in front of a Sysco truck on the sidewalk." Does this mean that "A driver sitting in a truck is waving at a young woman."?
A: it is not possible to tell

Q: "Male guitar player on stage in a black shirt." Does this mean that "Someone performs."?
A: it is not possible to tell

Q: "Two construction workers are enjoying work in the shade as the city goes about its business in the background." Does this mean that "two workers are taking a break"?
A:
it is not possible to tell