Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Surprisingly sweet and funny

I originally decided to watch this movie because of Diane Keaton and Harrison Ford but didn't really expect much. I was happily surprised at how much I liked it - sweet, uplifting and funny enough that some bits had me laughing out loud. I've never seen Rachel McAdams before, but her enthusiasm in the movie was convincing enough to pull me along and make me smile throughout the whole thing.