Task: Text Simplification
Input (English): the spanish did not manage to conquer the island until 1697 , after several attempts , that begun in 1629 , when they marched in , from corozal in belize , yucatán and alta verapaz , attacked via boats and destroyed it.
Output (English): the spanish did not take over the island until 1697 after several attempts -lrb- beginning in 1620 -rrb- , when they came in from corozal in belize , yucatan and alta verapaz , attacked on boats and destroyed it.