Complex sentence: The interior of the building used to house a Starbucks coffee shop containing a sign that indicated when a Boston-bound train arrived, however, the coffeehouse was closed in the fall of 2008 as part of Starbucks' restructuring campaign due to the economic recession.
Split into simpler sentences: The interior of the building used to house a Starbucks coffee shop containing a sign that indicated when a Boston-bound train arrived. However, the coffeehouse was closed in the fall of 2008 as part of Starbucks' restructuring campaign due to the economic recession.