Does the sentence "He concludes:" provide a valid answer to the question "Who describes an experiment with swallows?"

A: no

Does the sentence "In Nigeria, for example, more than $400 billion was stolen from the treasury by Nigeria's leaders between 1960 and 1999." provide a valid answer to the question "What form has corruption taken in Africa?"

A: no

Does the sentence "In October 2006, the Kemper Art Museum moved from its previous location, Steinberg Hall, into a new facility designed by former faculty member Fumihiko Maki." provide a valid answer to the question "Who designed the new location of the Mildred Lane Kemper Art Museum?"

A: yes

Does the sentence "Over the next 15 years, Project DIANE (Diversified Information and Assistance Network) grew to utilize a variety of videoconferencing platforms to create a multi-state cooperative public service and distance education network consisting of several hundred schools, neighborhood centers, libraries, science museums, zoos and parks, public assistance centers, and other community oriented organizations." provide a valid answer to the question "What is the videoconferencing product that both IBM and PictureTel worked on?"

A:
no