Does the sentence "For example, there were different accepted time frames for mourning the death of a father versus a paternal uncle." provide a valid answer to the question "What type of marriage was thought of as a normal occurrence in this era?"

A: no

Does the sentence "CS40's funding comes from the Housing Activities Fee of each student living on the South 40." provide a valid answer to the question "What is the amount of the Washington University Student Union annual budget?"

A: no

Does the sentence "As a result of this work, many questions, such as which families represent the earliest branches of angiosperms, have now been answered." provide a valid answer to the question "What have scientists learned about angiosperms from DNA sequencing?"

A: yes

Does the sentence "This winter precipitation maximum is quite unusual for humid continental climates, which most commonly have a late spring or early summer precipitation maximum (for example, most of the Midwestern U.S.)." provide a valid answer to the question "What Canadian city has the mildest winter temperature?"

A:
no