Does the sentence "Architectural copper and its alloys can also be 'finished' to embark a particular look, feel, and/or color." provide a valid answer to the question "What property does the final patina on cooper have?"

A: no

Does the sentence "As well, although the symphony did not exist through the entire classical music period, from the mid-1700s to the 2000s the symphony ensembleand the works written for ithave become a defining feature of classical music." provide a valid answer to the question "Who sang medieval plainchant?"

A: no

Does the sentence "The software is released to groups of people so that further testing can ensure the product has few faults or bugs." provide a valid answer to the question "What typically comes after the Alpha stage in the development and testing of software?"

A: no

Does the sentence "Fruit, which is formed by the enlargement of flower parts, is frequently a seed-dispersal tool that attracts animals to eat or otherwise disturb it, incidentally scattering the seeds it contains (see frugivory)." provide a valid answer to the question "What are many mutualistic relationships, thus failing to survive competition?"

A:
no