Please choose the correct answer to the question: Jane's hat flew off her head while standing still on a hilltop. This could be because

Answer1: her head blew the hat off Answer2: there was uneven heating of the ground Answer3: a squirrel jumped up and grabbed it off of her head Answer4: a spaceship pulled her hat off her head

Answer format: answer1/answer2/answer3/answer4
Answer: answer2