Task: Translation
Input (Chinese): 渥太华认为这名男子“从事间谍活动或颠覆行为”，并且“属于一个有合理理由相信参与的组织”。
Output (English): Ottawa believed the man had been "engaging in an act of espionage or an act of subversion," and "belonged to an organization that there are reasonable grounds to believe engages."