Please choose the correct ending to complete the given sentence: Assembling bicycle: Then she demonstrates how she can move the saddle after she loosens it. She hits it with her hand to push the jammed saddle. then she

Ending1: sticks her tongue out and gets off the saddle. Ending2: takes a hammer and uses a blue-handled mallet on the saddle. Ending3: shows how to adjust the saddle by moving it back and forth. Ending4: uses a tool to tighten the saddle further.

Answer format: ending1/ending2/ending3/ending4