Which of the following is correct?

American Depository Receipts (ADRs) are certificates traded in U.S. markets that represent ownership in shares of a US company.

Derivative asset is a claim whose value is directly dependent on or is contingent on the value of some underlying assets

The purchase of a security with a commitment to purchase more of the same security at an unspecified future date is called repurchase.

The purchase of a security with a commitment to purchase more of the same security at present at a designated price is called futures.