Does it work one sentence at a time or can also do a paragraph? Looks like it works one sentence at a time. It ignores next sentence onward. Also, punctuation s

Does it work one sentence at a time or can also do a paragraph? Looks like it works one sentence at a time. It ignores next sentence onward. Also, punctuation seem to be weak, it didn’t correct questions that I ended with period (.). Can it be easily extended to take a text sample and rewrite a different text sample using the keywords from first text sample? Most probably not possible. Use case: any situation where incorrect statement might be manually or automatically written. Potential users: language learners, email writers, messaging app users, people using translation app to translate then use your service to make translated statement better, people using voice to text/dictation, correcting OCRs, ...