Better Socks<br>I always used to buy the cheapest socks available. I figured it was inconsequential. But I started walking to work and getting blisters. I upgraded to softer and more expensive sock varieties. Now I can never go back.
Can we infer the following?
Socks have been worn by sam

Available choices:
[1]. Yes;
[2]. It's impossible to say;
[3]. No;
The answer is:
[2].