organic chemistry experts please explain the problem thouroughly and how you came to that conclusion (this is a 2-part question)

Use the following framework (scaffold) to construct structures of organic compounds based on the information provided. The first compound is PhCH2CH2CO2H. Furnish the framework with proper groups in proper positions to give the correct structure. The second compound is CH3CH2CH(CH3)2. Furnish the framework with proper groups in proper positions to give the correct structure