Does the sentence "Contemporary accounts indicate that in performance, Chopin avoided rigid procedures sometimes incorrectly attributed to him, such as "always crescendo to a high note", but that he was concerned with expressive phrasing, rhythmic consistency and sensitive colouring." provide a valid answer to the question "What did Chopin tend to avoid?"

A: yes

Does the sentence "Further south is the Arabah, ending with the Gulf of Eilat, part of the Red Sea." provide a valid answer to the question "What river runs along the Jordan Rift Valley?"

A: no

Does the sentence "At the end of the Middle Ages, about 400 years after the first university was founded, there were twenty-nine universities spread throughout Europe." provide a valid answer to the question "How many universities were within Europe by the completion of the 18th century?"

A: no

Does the sentence "In February 1848, with the cellist Auguste Franchomme, he gave his last Paris concert, which included three movements of the Cello Sonata Op." provide a valid answer to the question "Who did Chopin have at his last Parisian concert in 1848?"

A:
yes