Task: Text Simplification
Input (English): the name was originally used in reference to pesos oro -lrb- gold weights -rrb- or pesos plata -lrb- silver weights -rrb-.
Output (English): 1 . the name was at first used in reference to pesos oro -lrb- gold weights -rrb- or pesos plata -lrb- silver weights -rrb-.