Ah yes, I had a little plastic surgery on my forehead, so it would wrinkle to the left, such is a trend this season, I can't help it.
The speaker's forehead was as smooth as an inflated balloon.
mnli hypothesis: The speaker's forehead was as smooth as an inflated balloon. premise: Ah yes, I had a little plastic surgery on my forehead, so it would wrinkle to the left, such is a trend this season, I can't help it.