Here are two sentences:

Shares of Mattel were down 13 cents to $ 19.72 on the New York Stock Exchange .

Mattel shares were down 1.5 percent in early afternoon trading on the New York Stock Exchange .

yes

Here are two sentences:

Sarah Weddington , the abortion advocate and attorney who originally represented McCorvey , could not be reached for comment .

Sarah Weddington , the abortion advocate and lawyer who originally represented McCorvey , did not immediately return a call seeking comment .

yes

Here are two sentences:

And they think the protein probably is involved in the spread of other forms of cancer .

They researchers say the research could be relevant to other forms of cancer .
no