answer: the HD version
paragraph_question: question: How is picture?, context: I recommend spending the extra $50 and getting the HD version. The picture and sound is incredible!! I would definitely recommend!!! 
question: How is picture?
sentence: I recommend spending the extra $50 and getting the HD version .
paragraph: I recommend spending the extra $50 and getting the HD version. The picture and sound is incredible!! I would definitely recommend!!! 
sentence_answer: I recommend spending the extra $50 and getting <hl> the HD version <hl> .
paragraph_answer: I recommend spending the extra $50 and getting <hl> the HD version <hl>. The picture and sound is incredible!! I would definitely recommend!!! 
paragraph_sentence: <hl> I recommend spending the extra $50 and getting the HD version . <hl> The picture and sound is incredible!! I would definitely recommend!!!