Does the sentence "Specifically, using Benedict's reagent and Fehling's solution the presence of the sugar is signaled by a color change from blue Cu(II) to reddish copper(I) oxide." provide a valid answer to the question "What color does the copper salts turn to using Benedict's reagent and Fehling's solution if sugar is present?"

A: yes

Does the sentence "In August, the couple attended the 2011 MTV Video Music Awards, at which Beyonce performed "Love on Top" and started the performance saying "Tonight I want you to stand up on your feet, I want you to feel the love that's growing inside of me"." provide a valid answer to the question "Where did Beyonce announce her pregnancy?"

A: yes

Does the sentence "In Terry v. Ohio (1968) the court divided seizure into two parts, the investigatory stop and arrest." provide a valid answer to the question "Which two parts did Terry v. Ohio divide seizure into?"

A: yes

Does the sentence "lawyer, currently joined NOAA the previous year (1972), and Dr. Gerard A. "Jerry" Bertrand, a marine biologist (Ph.D, Oregon State University) by training, who had transferred from his post as the Scientific Adviser to the U.S Army Corps of Engineers, office of the Commandant of the Corp. to join the newly formed White House office." provide a valid answer to the question "Who wrote the most challenged section of the Act?"

A:
yes