Over the next couple of days, the system gradually intensified further while moving northwest into PAGASA's area of responsibility.
Over the next couple of days, the system gradually intensified further while moving northwest into PAGASA's area of responsibility.
Over the next couple of days, the system gradually intensified further while moving northwest into PAGASA's area of responsibility.
Simplify this sentence: Over the next couple of days, the system gradually intensified further while moving northwest into PAGASA's area of responsibility. Output: