Please choose the correct ending to complete the given sentence: Work World: [header] How to be a female bodybuilder [title] Learn basic exercises to build a plan. [step] A good exercise plan should have 7-10 exercises. Start with the fundamentals.

Ending1: You should be doing leg lifts, sit ups, sudoku, bicep curls, arm presses, forearm curls, or knee raises. [substeps] Do three or four repetitions of each activity. Ending2: Focus on warming up like a professional bodybuilder won't if you're a beginner. Work on your core and your legs and abs too and warm up your entire body. Ending3: Before you learn more in the future, you should do some exercises. For one, increasing your weight significantly [title] Size your body accordingly. Ending4: Once you've mastered these basic moves, you'll be able to make your workout harder by increasing the weight and changing up your routine. [title] Do squats to work the lower body.

Answer format: ending1/ending2/ending3/ending4