Given the task definition and input, reply with output. Given two noun phrases (arguments) and relationship between them, form a sentence that expresses theses arguments with the given relationship.

Relationship: 'report in', Argument/Subject 1: 'time', Argument/Subject 2: 'april'

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
The New York Times reported that a classified National Intelligence Estimate completed in April said Islamic radicalism had mushroomed worldwide and cited the Iraq war as a reason for the spread of jihadist ideology .