Choose from options: Determine if the sentence is true based on the text below:
1.6 million to 6.6 million people died of AIDS last year.

The memorandum noted the United Nations estimated that 2.5 million to 3.5 million people died of AIDS last year.
Pick your answer from:
(1). Yes;
(2). It's impossible to say;
(3). No;
(3).