A man in a red shirt is standing next to a woman in a blue dress. They are both holding hands and smiling at each other. A lot of people are sitting outside at long tables talking and eating. Here is a hypothesis: 'A lot of people are standing around eating appetizers waiting for the meal to be served.' The company's profits have increased by 20% over the past year. Can we conclude that the new marketing strategy is effective?
yes
no
it is not possible to tell