Read the following paragraph and determine if the hypothesis is true:

How to address envelopes with attn<br>Write " attn " followed by the name of the recipient. The " attn " line should always appear at the very top of your delivery address, just before the name of the person you're sending it to. Use a colon after " attn " to make it clearly readable.

pick from the following.
[1]. Yes.
[2]. It's impossible to say.
[3]. No.
Hypothesis: It's not very common to send envelopes anymore.



[2].