Please extract entities and their types from the input sentence, entity types should be chosen from {person/organization/location}.
Text: 2 1 . 6 Lender and Borrower hereby agree and acknowledge that to the extent permitted by applicable laws , Lender shall have the right but not the obligation to purchase or designate other persons ( legal or natural persons ) to purchase Borrower Equity Interest in part or in whole at any time , at the price stipulated in the Exclusive Option Agreement .
user
Lender is a person, Borrower is a person, Lender is a person, Borrower is a person.
assistant