Please choose the correct solution to the question: To safely break a glass window

Solution1: Use a hard object like a hammer to hit the corner of a window until it shatters, use the same hard object to poke out and residual glass still standing in the pane

Solution2: Use a hard object like a hammer to hit the frame of a window until it shatters, use the same hard object to poke out and residual frame still standing in the opening.

Answer format: solution1/solution2
Answer: solution1