Does "In this treatise, his father explains his methods of how to instruct deaf-mutes (as they were then known) to articulate words and read other people's lip movements to decipher meaning." contain the correct answer to "Bell learned to accurately read lips even without knowing what?"

A: no

Does "RCA Victor's early introduction of a long-play disc was a commercial failure for several reasons including the lack of affordable, reliable consumer playback equipment and consumer wariness during the Great Depression." contain the correct answer to "By when were long play records discontinued?"

A: no

Does "Dialects differ in the different degrees of vowel reduction, and the incidence of the pair / e/." contain the correct answer to "What is the vowel system of Catalan?"

A:
no