Does "While the majority of flowers are perfect or hermaphrodite (having both pollen and ovule producing parts in the same flower structure), flowering plants have developed numerous morphological and physiological mechanisms to reduce or prevent self-fertilization." contain the correct answer to "What type of mechanism might homomorphic flowers use to tell the difference between foreign and self pollen grains?"

A: no

Does "Maggie May features a significant mandolin riff." contain the correct answer to "What Rod Stewart song in 1971 featured the mandolin?"

A: yes

Does "More indirect and brief discussions of race in the context of medical disorders have increased from none to 93% of textbooks." contain the correct answer to "What percentage have discussions of race in the context of medical disorders increased from zero to?"

A:
yes