Please extract entities and their types from the input sentence, entity types should be chosen from {person/organization/location}.

4 . 2 . 18 in the event that Lender purchases Borrower Equity Interest from Borrower in accordance with the provisions of the Exclusive Option Agreement , use such purchase price obtained thereby to repay the Loan to Lender ; and
Lender is a person, Borrower is a person, Borrower is a person, Lender is a person.