Problem: Text: Today the Tower's ravens are one of the attractions for tourists visiting the City of London. Vladimir Putin, the President of Russia, is reported to have been impressed by the birds' verbal skills; one of the ravens greeted each person in his entourage with a ''Good morning!''. However, visitors are advised not to feed the birds, and warned that a raven will bite if it feels threatened.

Question: are there still ravens in the tower of london?
A: yes

Problem: Text: A video card (also called a display card, graphics card, display adapter or graphics adapter) is an expansion card which generates a feed of output images to a display (such as a computer monitor). Frequently, these are advertised as discrete or dedicated graphics cards, emphasizing the distinction between these and integrated graphics. At the core of both is the graphics processing unit (GPU), which is the main part that does the actual computations, but should not be confused as the video card as a whole, although ''GPU'' is often used to refer to video cards.

Question: is a video card and graphics card the same thing?
A: yes

Problem: Text: The fourth season of the American television series The Flash, which is based on the DC Comics character Barry Allen / Flash, premiered on The CW on October 10, 2017, and ran for 23 episodes until May 22, 2018. The season follows a crime scene investigator with superhuman speed who fights criminals, including others who have also gained superhuman abilities. It is set in the Arrowverse, sharing continuity with the other television series of the universe, and is a spin-off of Arrow. The season is produced by Berlanti Productions, Warner Bros. Television, and DC Entertainment, with Andrew Kreisberg and Todd Helbing serving as showrunners.

Question: is there a season 4 for the flash?
A:
yes