Read each sentence from Mary Shelley's Frankenstein. Based on the connotation, which sentence most reflects a pleasant tone?

The floor was a little raised, so that it was kept perfectly dry, and by its vicinity to the chimney of the cottage it was tolerably warm.
What chiefly struck me was the gentle manners of these people, and I longed to join them, but dared not.
I then reflected, and the thought made me shiver, that the creature whom I had left in my apartment might still be there, alive and walking about.
The rain was pouring in torrents, and thick mists hid the summits of the mountains, so that I even saw not the faces of those mighty friends.

"The floor was a little raised, so that it was kept perfectly dry, and by its vicinity to the chimney of the cottage it was tolerably warm."