Which administration page would you use to make this change?

Currently users can convert leads to accounts, contacts, and opportunities at your company.
However, the management team has decided that they no longer want users to be able to convert
leads to Accounts, though they should be able to associate the lead to an existing Account record
when they convert. Which administration page would you use to make this change?

A.
the lead assignment rules page

B.
the lead conversions mapping page