In this task you will be given a passage and a yes/no question based on the passage. You should answer the question using the information from the passage.
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Question: passage: Banks in the United States do not use IBAN as account numbers for U.S. accounts. Any adoption of the IBAN standard by U.S. banks would likely be initiated by ANSI ASC X9, the U.S. financial services standards development organization: a working group (WGAB20) was established as an X9 subcommittee to generate an IBAN construction for U.S. bank accounts.
question: do banks in the us have iban numbers?

Answer: No

Question: passage: A stepfather is the husband of someone's mother, and not someone's biological father. A stepmother is the wife of someone's father, and not someone's biological mother. A step-grandmother is not someone's biological grandmother. A step-grandfather is not someone's biological grandfather. A step uncle is the husband of someone's parent's sister (aunt) is not the father of someone's cousin. A step aunt is the wife of someone's parent's brother (uncle) and is not mother of someone's cousin. Similarly, a stepbrother is the son of a stepparent whom one is not biologically related to. A stepsister is the daughter of a stepparent to whom one is not biologically related. A step-grandson is the grandson of someone's spouse who one is not biologically related to. A step-granddaughter is the granddaughter of someone's spouse to whom one is not biologically related. Alternatively, in Australia Under the Family Law Act 1975 (Cth) a ''stepparent'' in relation to a child, is interpreted as a person who is not a parent of the child; and is, or has been, married to or a de facto partner of, a parent of the child; and treats, or at any time while married to, or a de facto partner of, the parent treated, the child as a member of the family formed with the parent.
question: do you have to be married to be a stepdad?

Answer: Yes

Question: passage: In popular usage, the word ''undertow'' is often misapplied to rip currents. An undertow occurs everywhere underneath shore-approaching waves, whereas rip currents are localized narrow offshore currents occurring at certain locations along the coast. Unlike undertow, rip currents are strong at the surface.
question: is an undertow the same as a rip current?

Answer:
No