mr. trasvina. thank you for the presentation. i have really pleased to hear the mutual respect and good work realm that you have with the neighborhood association. will one thing i have seen over my time here is upon often lack of communication or citizen frustration. clearly, there is a disagreement here but pleased you reached out and have a good relationship with the hoa. i first experienced in city government was a deputy city attorney in the days my first trial representing a fell o in golden gate park. these are this kind of situation is specialing that obviously we want to prevent damage and i will ask you in a bit about how much upon and what the technology is for us to anticipate. future damage that may be a different of viewpoint. what i'm hear suggest on the arborist recommendations i'm pleased you are open to some of the ideas, what i am unfamiliar with and less familiar than president swig with your department, as you testified today, is it based on your inspection and own recommendations. or do you have staff that d