Task: Paraphrasing
Input (English): Question: If the dna from all 46 chromosomes in a human cell nucleus was laid out end to end, it would measure approximately how long? 
Answer: two meters. 
Sentence: If the dna from all 46 chromosomes in a human cell nucleus was laid out end to end, it would measure approximately two meters long.
Output (English): Laid out end to end, the length of all 46 chromosomes in a human cell's nucleus would measure out to be about two meters.