oh my gawd!! you were right, this is the cutest dog ever!!! ... she/he/it!? should've won on looks alone ...
my daughter would just love one of these or a chihuahua ...
4 - Like the potential. Nice pose. Like the angle, although both eyes more visible likely better - but then you might lose the 'wispy fur'. Mainly the focus and/or slight blur and a little too much empty space in my opinion. Variation in framing/crop likely have given this an edge as well.
Love the cute expression and the off side profile view of this dog. The dog and especially the color of the red sweater really pops off visually from the black background. But I think there is too much negative space included in the shot. A tighter crop to just on the dog itself would keep the focus squarely on the dog.