Question:
Seven students speak, one after the other, at a school assembly.
Three of the students speak on the topic of Patriotism,
two speak on the topic of Sports, and two speak on the topic of Travel.
Four of the students are girls and three are boys.
None of the boys speaks on Sports.
Either the sixth or the seventh speech is on the topic of Travel.
If, after a speech on a given topic,
another speech on the topic cannot be given until speeches
on all the other topics are first given, which of the following must true?
(A)The first speech must be given by a boy.
(B)The third speech must be on travel.
(C)The fourth speech must be given by a girl.
(D)The sixth speech must be given by a boy.
(E) The seventh speech must be on travel.
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