Fact: Asthma, a bronchial condition, is much less common ailment than hay fever, an allergic inflammation of the nasal passages. Fact: Over 95 percent of people who have asthma also suffer from hay fever. If the information given as facts above is true, which of the following must also be true? ['The percentage of people suffering from hay fever who also have asthma is lower than 95 percent.', 'The number of people who have both of these ailments is greater than the number of people who have only one of them.', 'Hay fever is a prerequisite for the development of asthma.', 'Those who have neither hay fever nor asthma comprise less than 5 percent of the total population.']