{"reviews":[{"answer_id":"a001","verdict":"correct","rationale":"The encoder is an LSTM with one layer; the proposed system retains the baseline hyperparameters.","source_span_ids":["s00011","s00013","s00030"],"issues":[]},{"answer_id":"a002","verdict":"correct","rationale":"The source explicitly identifies an LSTM encoder.","source_span_ids":["s00011","s00023"],"issues":[]},{"answer_id":"a003","verdict":"correct","rationale":"Single-layer LSTM accurately describes the encoder and its stated layer count.","source_span_ids":["s00011","s00013","s00030"],"issues":[]},{"answer_id":"a004","verdict":"correct","rationale":"The core architecture and layer count are correct. Attention is also supported as part of the encoder-decoder system, although more precisely the decoder attends to encoder states.","source_span_ids":["s00011","s00013","s00030"],"issues":[]}]}