Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.

Q: Great Gift Great Value - I had to get one for myself. The glasses are over sized and the shaker stirs up a great batch of dry Martini's. I love the retro glass look and the shaker has a seal to prevent leaking while shaking your favorite drink.

A: Positive
****
Q: Good, sturdy platform for squatting under a barbell. Very firm. Laces are long enough to wrap around ankles, and back of shoe forms a fair notch to retain the laces and keep them from sliding up and off the shoes - would have been better had there been a rear loop. Shoes are better without the insoles because they put a spongy foam wedge under the heels. I replaced them with thin flat insoles from a pair of water shoes. One could cut the foam wedge and use the included insoles. There is no raised heel other than that foam wedge. They run true to size or slightly tight.

A: Positive
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Q: I received this record as a gift and have listened to it over and over with my friends at school. Many of the items are great for kids, but my friends and I love the psychedelic music and sound effects. My current favorite is "Army Ants in Your Pants"...very imaginative!

A:
Positive
****