Make an analysis of the advice Roac gave to the adventurers.

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Chpater 15/ From the text:

"Your own wisdom must decide your course, but thirteen is small remnant of the great folk of Durin that once dwelt here, and now are scattered far. If you will listen to my counsel, you will not trust the Master of the Lake-men, but rather him that shot the dragon with his bow. Bard is he, of the race of Dale, of the line of Girion; he is a grim man but true. We would see peace once more among dwarves and men and elves after the long desolation; but it may cost you dear in gold. I have spoken."

The raven, Roac, translates the thrush's words and tells the men that they need to join forces not with the Lake-men but with Bard. Roac insinuates that the Lake-men cannot be trusted, and that although combining forces with Bard will cost them....... it will be worth it.