Direction: Refer the following carefully and answer the question that follows.
An Ice cream company XYZ, who is the best-selling flavors among the teenagers, recently did an ad campaign which was very successful but also expensive. The owners of company PQR, which is less popular nowadays but has been in the market there from many years, claims that XYZ cannot be more popular than PQR without a recent ad campaign.
Which of the following, if true, would include the most serious suspicion on the owners of company PQR?
1. Company XYZ’s recent ad campaign was very expensive.
2. Company XYZ did an ad campaign to make their flavors popular and increase sales to teenagers.
3. Most people prefer the flavors of company XYZ to that of company PQR.
4. With the successful ad campaign, decisions for choosing ice cream flavors can be influenced.
5. Company XYZ never advertised its flavor before this ad campaign but outsold other flavors in the market from specific years.