input: Focal length

For a thin lens in air, the focal length is the distance from the center of the lens to the principal foci (or focal points) of the lens. For a converging lens (for example a convex lens), the focal length is positive, and is the distance at which a beam of collimated light will be focused to a single spot. For a diverging lens (for example a concave lens), the focal length is negative, and is the distance to the point from which a collimated beam appears to be diverging after passing through the lens.

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is the focal length of a convex lens negative
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output: no
Question: An alternative fuel vehicle is a vehicle that runs on a fuel other than traditional petroleum fuels (petrol or Diesel fuel); and also refers to any technology of powering an engine that does not involve solely petroleum (e.g. electric car, hybrid electric vehicles, solar powered). Because of a combination of factors, such as environmental concerns, high oil prices and the potential for peak oil, development of cleaner alternative fuels and advanced power systems for vehicles has become a high priority for many governments and vehicle manufacturers around the world. can cars run on anything other than gas

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Answer: yes
IN: The fourth season of Jane the Virgin aired on The CW from October 13, 2017 to April 20, 2018. The season consisted of 17 episodes and stars Gina Rodriguez as a young Latina university student accidentally artificially inseminated with sperm from her boss, Rafael Solano (Justin Baldoni). In this season, Jane deals with her romantic feelings for Rafael while reuniting with an ex-boyfriend while Rafael loses ownership of the Marbella and gets back together with his ex-wife, Petra Solano (Yael Grobglas). Also, Rogelio de la Vega (Jaime Camil), Jane's father, is expecting a baby with an ex-girlfriend and marries Jane's mother, Xiomara Villanueva (Andrea Navedo).
did season 4 of jane the virgin end?

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OUT: yes
What's the best answer to this question: did anyone survive in the movie the perfect storm?

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Answer: no
Text: Lungfish are freshwater rhipidistian fish belonging to the subclass Dipnoi. Lungfish are best known for retaining characteristics primitive within the Osteichthyes, including the ability to breathe air, and structures primitive within Sarcopterygii, including the presence of lobed fins with a well-developed internal skeleton.

Question: do lungfish have bones in fins or feet?

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Answer: yes
Text: Star Trek: Discovery is an American television series created for CBS All Access by Bryan Fuller and Alex Kurtzman. It is the first series developed specifically for that service, and the first Star Trek series since Star Trek: Enterprise concluded in 2005. Set roughly a decade before the events of the original Star Trek series and separate from the timeline of the concurrently produced feature films, Discovery explores the Federation--Klingon war while following the crew of the USS Discovery. Gretchen J. Berg and Aaron Harberts serve as showrunners on the series, with producing support from Akiva Goldsman.

Question: is there a new star trek series coming?

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Answer:
yes