His research had been focused on near-shore beds of marine plants commercially harvested in western P.E.I.
Can we say the following?
Marine vegetation is  harvested.

yes


Heavy rain flooded parts of the site, with dozens of tents lost under water, while lightning strikes affected the stages and knocked out power lines.
Can we say the following?
100 tents had been washed away.

no


U.S. District Judge Leonie Brinkema accepted would-be hijacker Zacarias Moussaoui's guilty pleas on six charges of conspiracy laid against him for his plotting to participate in the Sept. 11 attacks . Moussaoui, who had to be restrained at one point during the trial in an Alexandria, Virginia courthouse, was polite and quiet during the day's appearance.
Can we say the following?
Moussaoui participated in the Sept. 11 attacks.

no


Thus, China's President repeatedly sent letters and envoys to the Dalai Lama and to the Tibetan Government asking that Tibet "join" the Republic of China.
Can we say the following?
Dalai Lama and the government of the People's Republic of China are in dispute over Panchen Lama's reincarnation.


no