Finish the following sentence with the best choice: how to melt chocolate

Choices:
- Place chopped chocolate in the bottom of a double boiler or a heatproof bowl set over (not in) a saucepan of simmering water; cook, stirring occasionally, until melted, 2 to 3 minutes.
- Place chopped chocolate in the top of a double boiler or a heatproof bowl set over (not in) a saucepan of simmering water; cook, stirring occasionally, until melted, 2 to 3 minutes.

Answer:
Place chopped chocolate in the top of a double boiler or a heatproof bowl set over (not in) a saucepan of simmering water; cook, stirring occasionally, until melted, 2 to 3 minutes.