如何构建LSTM神经网络进行分类

I have data that has various conversations between two people. Each sentence has some type of classification. I am attempting to use an NLP net to classify each sentence of the conversation. I tried a convolution net and get decent results (not ground breaking tho). I figured that since this a back and forth conversation, and LSTM net may produce better results, because what was previously said may have a large impact on what follows.I have data that has various conversations betw