Using Context Free Grammar to Generate sentences!

is it true that an apple wallowed weakly ?

Sally and a sandwich loved and disliked an observer .

an apple thought that an apple sighed lovely on an umbrella .

that Eva kissed Sally ate an umbrella on an apple .

Sally assumed that an apple jumped deeply .

that Adam kissed an apple understood the proposal .

can Mary eat an apple with an apple in the president in an umbrella ?

is it true that Mary pickled a proposal ?

Eva and every fine floor loved and loved the chief of staff .

Eva and a president married and married an observer .