answer: The
paragraph_question: question: How is tea?, context: The tea is good but not very strong.  I feel the need to use two bags a cup of tea.  It would be better if it could be a little stronger. 
question: How is tea?
sentence: The tea is good but not very strong.
paragraph: The tea is good but not very strong.  I feel the need to use two bags a cup of tea.  It would be better if it could be a little stronger. 
sentence_answer: <hl> The <hl> tea is good but not very strong.
paragraph_answer: <hl> The <hl> tea is good but not very strong. I feel the need to use two bags a cup of tea. It would be better if it could be a little stronger. 
paragraph_sentence: <hl> The tea is good but not very strong. <hl> I feel the need to use two bags a cup of tea. It would be better if it could be a little stronger.