user: How to get entrance to Istanbul from US?

assistant: To travel to Istanbul, Turkey, from the US, you will need an e-visa, even for a US citizen. Turkey is not a Schengen country. To obtain the e-visa, visit https://www.evisa.gov.tr/en/, and fill out your personal information, including the expected entry date. You will then pay $50 per visa on the website. At the end of the process, it will get a download link for the e-visa pdf file, so you can print it out.

user: Is language our greatest invention  ?

assistant: General consensus is that language is regarded as one of the greatest inventions,  as it helped improve our communication of ideas and emotions. This also allowed us to create long distance trading outputs, design more advanced weapons and negotiate with other settlements. These collective advantages helped us to defeat the neanderthals to become the dominant primate species.

user: Where will the third Summer Olympic Games be held?

assistant: The third Summer Games to be held in Australia will be hosted in Brisbane, Queensland.