If you want to convey the feeling of "loneliness" then the subject should be all alone, and the second image conveys that much better than the first. I assume that the original is in colour, and that the water would be showing reflected blue sky? If so, that would work better than the selective colour you used in the second, because the yellow of the boat would contrast with the blue of the reflected sky. The other thing I notice is that the image does not appear to be very sharp, but I can't tell if that is due to focusing issues, or the lens. Would you mind posting the original?