Problem: Does "He discusses Aristotle's Posterior Analytics and significantly diverged from it on several points." answer the question "What philosopher did Avicenna discuss in his The Book of Healing text?"

A: yes

Problem: Does "Machining of copper is possible, although it is usually necessary to use an alloy for intricate parts to get good machinability characteristics." answer the question "What percentage of copper is used in roofing and plumbing?"

A: no

Problem: Does "Some authors have proposed that there may be evidence of a sub-stratum or add-stratum language for geographic features and various crafts and agricultural activities, called variously Proto-Euphratean or Proto Tigrean, but this is disputed by others." answer the question "What has been the result of attempts to connect Sumerian to other language groups?"

A:
no