Problem: Does "The idea of Masonic brotherhood probably descends from a 16th-century legal definition of a brother as one who has taken an oath of mutual support to another." answer the question "Masons swear to protect their brethren unless they what?"

A: no

Problem: Does "Devices of this sort are not found again until the 10th century, when a simpler eight-geared luni-solar calculator incorporated into an astrolabe was described by the Persian scholar, Al-Biruni.[not in citation given]" answer the question "What Persian scholar noted the 10th century calculator similar to the Antikythera mechanism?"

A: yes

Problem: Does "The buildings were constructed without nails and were lashed and tied together with a plaited sennit rope that was handmade from dried coconut fibre." answer the question "What construction feature was lacking in Tuvaluan building?"

A:
yes