Direction: Refer the following carefully and answer the question that follows.
People of the USA leaves average life of 74 years, but people of Canada will live an average of 82 years, and people of India 68.5 years. If a couple weds in India and shifts in Canada, then their children would be expected to live longer than they would be in India.
Which of the following, if true, would most seriously weaken the conclusion drawn in the passage?
1. The longevity of Canada is mostly genetic.
2. 20% of all Indians can expect to live longer than 77 years.
3. Statisticians from an insurance company do not believe that going to Canada increases the average life of Indian.
4. In Canada, the level of pollution in much of the area is much lower than the national average of the USA.
5. Governor of India has alleged that statistics of his state are inaccurate.