Review San Francisco's Housing Element. Under 'Objective 1.A: Ensure housing stability and healthy homes', what is the full title of 'Policy 1' and the first sentence of its 'Challenge' section? Also, what is the definition of 'rent burdened' as presented in the document, specifically near 'Figure 3'?
Navigate to the 'Housing Element: Goals, Objectives and Policies' page. Scroll down to 'OBJECTIVE 1.A: Ensure housing stability and healthy homes'. Click on the link for 'Policy 1'. Identify and extract the full title of 'Policy 1'. Locate the 'Challenge' section under 'Policy 1' and extract its first sentence. Return to the 'Housing Element: Goals, Objectives and Policies' page. Locate the text referencing 'Figure 3' and identify the definition of 'rent burdened' provided in that context.
State the full title of 'Policy 1'. State the first sentence of the 'Challenge' section under 'Policy 1'. Provide the definition of 'rent burdened' as 'paying more than 30% of their income on rent'.