Ques:Question: how many baseball teams usa I found the following answer on Google: MLB constitutes one of the major professional sports leagues of the United States and Canada. Is that a correct answer? Yes or no.

Ans:No
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Ques:Question: what is middle class in the us I found the following answer on Google: Depending on class model used, the middle class may constitute anywhere from 25% to 66% of households. Is that a correct answer? Yes or no.

Ans:Yes
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Ques:Question: what is lean manufacturing and who developed I found the following answer on Google: Lean manufacturing is a management philosophy derived mostly from the Toyota Production System (TPS) (hence the term Toyotism is also prevalent) and identified as "Lean" only in the 1990s. Is that a correct answer? Yes or no.

Ans:Yes
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Ques:Question: when did sertraline come on the market I found the following answer on Google: It was introduced to the market by Pfizer in 1991. Is that a correct answer? Yes or no.

Ans:
Yes
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