对以下5个商品进行情感分类：iPhone XS，华为P40，三星Galaxy S20，小米10，谷歌Pixel 4a。
数据来源：2000名消费者在购买上述手机时发表的评论。评论如下所示：
1. iPhone XS的照相效果真的很棒，但是我觉得它的电池寿命有点短。
2. 华为P40的处理速度很快，外观漂亮，但相机不如iPhone XS那么棒。
3. 三星Galaxy S20的外观很棒，但是操作系统不够流畅。
4. 小米10的价格很实惠，功能也很全面，但它的外观不如华为P40和三星Galaxy S20那么漂亮。
5. 谷歌Pixel 4a的外观简约，但是它的处理速度一点都不慢，相机也不错。
6. 我觉得iPhone XS是最好的，华为P40和三星Galaxy S20也不错。小米10的价格很吸引人，但是它的外观不如另外两个那么好看。我对谷歌Pixel 4a的了解不多。
1. iPhone XS - Positive (Camera quality is great, but battery life is a bit short)
2. 华为P40 - Mixed/Neutral (Fast processing speed and attractive design, but camera is not as good as iPhone XS)
3. 三星Galaxy S20 - Mixed/Neutral (Great design, but operating system is not smooth enough)
4. 小米10 - Positive (Affordable price and comprehensive functionality, but design is not as good as Huawei P40 and Samsung Galaxy S20)
5. 谷歌Pixel 4a - Positive (Simple design, fast processing speed, and good camera)
6. Mixed/Neutral (Likes iPhone XS the most and Huawei P40 and Samsung Galaxy S20 are also good but dislikes the design of Xiaomi 10. Not much knowledge about Google Pixel 4a)