Please choose the correct ending to complete the given sentence: Travel: [header] How to experience baltimore for free [title] Consider a day trip. [step] If you live in the northeast or mid-atlantic, baltimore is less than a three hour drive from many major cities, and you can significantly reduce the worry of expenses adding up like hotels, transportation, etc. If you're driving, be sure to bring a handful of quarters to feed street meters for parking, or cash for parking garage fees.

Ending1: [title] Ditch the vending machines and restaurant service. [step] You can also leave a card behind on the counter at your ticket booth for greater self-control. Ending2: [substeps] If you don't like traveling, consider trying an air bus ride service. Most air buses make viewing attractions much easier to do. Ending3: Unfortunately, these expenses are virtually unavoidable. [title] Visit the baltimore museum of art (bma). Ending4: [substeps] If you're driving, consider traveling by car if it's feasible. Booking a light haul while you take a cab can greatly reduce the number of unwanted passengers you may encounter on the road.

Answer format: ending1/ending2/ending3/ending4