50th anniversary of JFK's death remembered
On 50th anniversary of JFK death, Dallas holds its first memorial

On a scale from 0 to 5, where 0 is "no meaning overlap" and 5 is "means the same thing", how closely does the first sentence resemble the second one?

Available options:
[a]. 0.
[b]. 1.
[c]. 2.
[d]. 3.
[e]. 4.
[f]. 5.
[e].