Does the sentence "Early history of Shaivism is difficult to determine." provide a valid answer to the question "When was the text on Shaivism written?"

A: no

Does the sentence "On the death of her uncle George IV in 1830, Victoria became heiress presumptive to her next surviving uncle, William IV." provide a valid answer to the question "What happened when Victoria's Uncle George IV died?"

A: yes

Does the sentence "Antibiotics revolutionized medicine in the 20th century, and have together with vaccination led to the near eradication of diseases such as tuberculosis in the developed world." provide a valid answer to the question "What other medicine worked along antibiotics to eradicate diseases like tuberculosis?"

A: yes

Does the sentence "More than 1.4 million university students were enrolled in language courses in autumn of 2002 and Spanish is the most widely taught language in American colleges and universities with 53 percent of the total number of people enrolled, followed by French (14.4%), German (7.1%), Italian (4.5%), American Sign language (4.3%), Japanese (3.7%), and Chinese (2.4%) although the totals remain relatively small in relation to the total U.S population." provide a valid answer to the question "How popular are Spanish language classes in the U.S,?"

A:
yes