Can we draw the following hypothesis from the context (see options)?

Context:

William Sidney "Sid" Hatfield (May 15, 1891 or 1893 August 1, 1921), was Police Chief of Matewan, West Virginia during the Battle of Matewan, a shootout that followed a series of evictions carried out by detectives from the Baldwin-Felts Detective Agency.

Hypothesis: The exact year of birth is undertermined.
[-] Yes; [-] It's impossible to say; [-] No;
Yes