Does the sentence "Although hydraulic freight elevators exist, electric elevators are more energy efficient for the work of freight lifting.[citation needed]" provide a valid answer to the question "How do freight elevators differ from passenger elevators?"

A: no

Does the sentence "In 1827, Hungarian physicist Anyos Jedlik started experimenting with electromagnetic coils." provide a valid answer to the question "In what year did Jedlik begin experimenting with electromagnetism?"

A: yes

Does the sentence "In 1976, Walter Fiers at the University of Ghent (Belgium) was the first to establish the complete nucleotide sequence of a viral RNA-genome (Bacteriophage MS2)." provide a valid answer to the question "Who was the first person to sequence a viral genome?"

A: yes

Does the sentence "A great deal of early-stage drug discovery has traditionally been carried out by universities and research institutions." provide a valid answer to the question "What kind of technology studies the understanding and manipulation of disease states and pathogens?"

A:
no