Does "His guiding principle was that, if a topic could not be explained in a freshman lecture, it was not yet fully understood." contain the correct answer to "In a lecture, Feynman said that what had to exist?"

A: no

Does "The upheaval at the judging panel continued." contain the correct answer to "Who filled the judges spot vacated by Paula Abdul on season nine of American Idol?"

A: no

Does "Transport in the Republic of the Congo includes land, air and water transportation." contain the correct answer to "On what ocean is a major port located?"

A:
no