Question: What an event in the annual cycle of tropical cyclone formation,that was the predecessor to the six depressions throughout the year, of which five intensified into cyclonic storms?
Sentence (from "2000 North Indian Ocean cyclone season"): Two of the storms strengthened into a very severe cyclonic storm, which has winds of at least 120 km/h (75 mph), equivalent to a minimal hurricane.
Relevant evidence: No