Most Helpful Guy
Not revealing at all, the top two look decent. The bottom left is comfortably casual.
The only suspect one is bottom right because if it's cold enough for a scarf, why is she wearing crop top and skirt o. O? It's trying to be quirky fashionable without pulling it off.
Most Helpful Girl
No, not that there's anything wrong with being revealing, but those outfits also aren't that revealing.