Problem: Does "In 1919, Sir Edward Mellanby incorrectly identified rickets as a vitamin A deficiency because he could cure it in dogs with cod liver oil." answer the question "Which property was vitamin B found to have?"

A: no

Problem: Does "In 1982 and 1987, Harrison and Harrison enlarged the organ under the direction of the then abbey organist Simon Preston to include an additional Lower Choir Organ and a Bombarde Organ: the current instrument now has five manuals and 109 speaking stops." answer the question "What part of the organ is not connected or playable?"

A: no

Problem: Does "Infrared reflectography (fr; it; es), as called by art conservators, can be applied to paintings to reveal underlying layers in a completely non-destructive manner, in particular the underdrawing or outline drawn by the artist as a guide." answer the question "What technique is used in art to examine underlying layers of a painting without damaging it?"

A:
yes