Improved action item detection - Improved subject search

[vdpappu]

• Test the current model, action item selection approach on a set of google transcribed engineering sync calls and make observations for any potential improvements
• Expand current subjects to find the nearest noun phrases or any other useful patterns for making action items more self explainable

[vdpappu]

@master10 Can you look into cases where conjunction is preceding current subject pattern and see if its feasible to add that to the subject list. For example,
During this call, we will present both gap and non Gap financial measures.
In this case, only present both gap comes as a subject, we can extend it all the way until the end.