Problem: Does "During this period, Roman soldiers seem to have been modelled after those of the Etruscans to the north, who themselves seem to have copied their style of warfare from the Greeks." answer the question "Who introduced the phalanx formation into Rome's army?"

A: no

Problem: Does "The first set of subsidiary forts were planned by the Portuguese at Montevideo in 1701 to establish a front line base to stop frequent insurrections by the Spaniards emanating from Buenos Aires." answer the question "When were the first set of subsidiary forts planned?"

A: yes

Problem: Does "But it was mostly chosen as the color for stoplights and stop signs because of its universal association with danger and warning." answer the question "At what time is red at its brightest?"

A:
no