1)All the tulips in Zoe's garden are white. 2)All the pansies in Zoe's garden are yellow. 3)All the flowers in Zoe's garden are either white or yellow If the first two statements are true, the third statement is

Statements 1 and 2 only tell us about tulips and pansies specifically - they're white and yellow respectively. However, statement 3 makes a claim about ALL flowers in Zoe's garden. There could be other types of flowers (roses, daisies, etc.) that we have no information about, so we cannot conclude statement 3 is necessarily true. This tests the logical fallacy of hasty generalization.