Task: Explanation
Input (English): Alexander (Alec) Rawson Stokes (27 June 1919 – 5 February 2003) was a co-author of the second of the three papers published sequentially in "Nature" on 25 April 1953 announcing the presumed molecular structure of DNA. The first was authored by Francis Crick and James Watson, and the third by Rosalind Franklin and Raymond Gosling. The Nobel Prize in Physiology or Medicine was awarded in 1962 to Crick, Watson, and Wilkins for this work. Question: On what topic did James Watson and Alex Stokes have papers published in "Nature" on 25 April 1953? Answer: the structure of DNA
Output (English):  The first was authored by Francis Crick and James Watson, and the third by Rosalind Franklin and Raymond Gosling.