Q: "Bicyclers riding over a bridge on a sunny day" Does this mean that "The bicyclers are riding their bikes"?
A: it is not possible to tell

Q: "A pharmacists preparing prescriptions." Does this mean that "A pharmacist is working at CVS."?
A: it is not possible to tell

Q: "Three people are cooking outside using Two gas grills." Does this mean that "The people are cooking indoors."?
A: no

Q: "A man is sitting on top of a snow covered mountaintop." Does this mean that "Nobody is sitting"?
A:
no