Yes, the article was clear on that. There are methods to produce it "naturally" or in a lab, but no explanation fits the amount of gas they have detected. So ei

Yes, the article was clear on that. There are methods to produce it "naturally" or in a lab, but no explanation fits the amount of gas they have detected. So either they do not understand conditions on Venus, there is a new method to produce it or there is a microbe producing it.