The pattern is that each number is doubled.
2 × 2 = 4, 4 × 2 = 8, 8 × 2 = 16, so 16 × 2 = 32.
The statement "all roses are flowers" doesn't imply that all flowers are roses. Therefore, it must be true that some flowers are not roses.
Since all cars are vehicles and some cars are electric, it follows that some vehicles are electric.
Since all students passed the test and Mary is a student, it follows that Mary passed the test.
Statement 4 contradicts the possibility of quiet dogs, as it asserts that no dogs are quiet. This is inconsistent with the first and second statements, which imply the existence of quiet dogs.
