In this task, you're given a review from Amazon's food products. Your task is to generate a short summary of the given review in the input. Note that you don't need to write a complete sentence as a summary.
Q: First time I gave these to my two little dogs (Maltese and Shih-Tzu), they chowed on these hard treats real nicely. The very next day, I noticed that they weren't really excited when I opened the package in front of them. Keep in mind that these treats are really hard. I do not know about large breeds but my smaller pups definitely had trouble nibbling them.
A:
Even dog has mixed feelings.