Complex sentence: One day, her caretaker and her former caretaking child visits for lunch, and Lola realises that her aunty has thrown all Brownie's letters away, then she later threatens her to stay, but Lola punches her and runs away.
Split into simpler sentences: One day, her caretaker and her former caretaker's child visits for lunch, and Lola realises that her aunt has thrown all Brownie's letters away. The aunt threatens her, to make her stay, but Lola punches her and runs away.