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

Context:

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.

Hypothesis: the attn line should appear at the bottom of your address
Pick from:
 1). Yes
 2). It's impossible to say
 3). No