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): Human cells contain A LOT of DNA.  If you took all of the DNA out of a somatic cell, which in humans would be the DNA from 46 chromosomes, it would stretch out to about two meters long when laid end to end!.