INTERPRETATION - Statements

Hi can someone help me. Not sure I have understood this right. I could be thick!!!......lol

My answers are in bold

"Jack fell down and broke his crown
And Jill came tumbling after."

Which of the following statements are true, which are untrue, and which may or may not be true?
1. Before Jack fell, Jill had fallen. (may or may not be true)

2. Jack's fall and Jill's fall ocurred together. (may or may not be true)

3. Jill wore a crimson frock. (untrue)

4. When Jill fell Jack had fallen. (true)

5. Jill was badly hurt. (may or may not be true)

6. Jack had his leg broken. (untrue)