Distributions of Word Classes (IMAGE) Universit?i Sassari Caption This image shows the percentage of word classes in the input (a) and output (b) sentences in the experiment that was performed for validating the model. Credit Bruno Golosio Usage Restrictions Permission for other usage should be asked to PLOS ONE editorial staff. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.