This was the major issue I've had some other tool I tried some time back. It spent the same time on, for example, "inconvenience" and "cat". It also didn't real

This was the major issue I've had some other tool I tried some time back. It spent the same time on, for example, "inconvenience" and "cat". It also didn't really worked with prepositions. Pauses on commas and periods were weird as well. That's just something you could work on. Then there's contextual complexity (that you probably talk about), where sentence could be complicated even if it contains only simple words.