"She detected high levels of lead in her drinking water" "We found traces of lead in the paint"

"I learned that she has two grown-up children" "I see that you have been promoted"

"Roentgen discovered X-rays" "Physicists believe they found a new elementary particle"

"She found that he had lied to her" "The story is false, so far as I can discover"

"the archeologists chanced upon an old tomb" "she struck a goldmine" "The hikers finally struck the main path to the lake"

"The auction house would not disclose the price at which the van Gogh had sold" "The actress won't reveal how old she is" "bring out the truth" "he broke the news to her" "unwrap the evidence in the murder case"

"Who discovered the North Pole?"