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.

Ex Input:
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?

Ex Output:
Yes


Ex Input:
passage: The season consisted of 20 episodes, in which ten episodes aired in the summer of 2016, with the remaining ten episodes aired from April 2017. The season's premiere aired on June 21, 2016 on Freeform. Production and filming began in the end of March 2016, which was confirmed by showrunner I. Marlene King. The season premiere was written by I. Marlene King and directed by Ron Lagomarsino. King revealed the title of the premiere on Twitter on March 17, 2016. On August 29, 2016, it was confirmed that this would be the final season of the series.
 question: is there another season for pretty little liars?

Ex Output:
No


Ex Input:
passage: The musicians of the RMS Titanic all perished when the ship sank in 1912. They played music, intending to calm the passengers, for as long as they possibly could, and all went down with the ship. All were recognized for their heroism.
 question: did any of the band survived the titanic?

Ex Output:

No