Question:  "On My Mind" is a song by English singer Ellie Goulding that many critics considered an answer to a song recorded by what English singer-songwriter for his second studio album?

full_context: Document 1: Photograph (Ed Sheeran song): "Photograph" is a song recorded by the English singer-songwriter, Ed Sheeran, for his second studio album, "×" (2014). Sheeran wrote the song with Snow Patrol member, Johnny McDaid, who had a piano loop from which the composition developed. After recording several versions with other producers, Sheeran eventually solicited help from Jeff Bhasker; the collaboration generated a version that Bhasker further enhanced for months. The ballad derives its music primarily from an acoustic guitar, piano and programmed drums. With visually descriptive lyrics, it discusses a long-distance relationship inspired by Sheeran's own experience of being away from his then-girlfriend while he was on tour. IDA
Document 2: Bloodstream (song): "Bloodstream" is a song recorded by English singer-songwriter, Ed Sheeran for his second studio album, "×" (2014). It was written by Sheeran, Rudimental, and Snow Patrol members – Johnny McDaid and Gary Lightbody. Production was handled by Rick Rubin.
Document 3: Don't (Ed Sheeran song): "Don't" is a song recorded by English singer-songwriter, Ed Sheeran, for his second studio album, "×" (2014). Written by Sheeran and Benny Blanco and produced by Blanco and Rick Rubin, the song samples "Don't Mess with My Man" by Lucy Pearl. It was initially planned as the album's lead single, but was passed over in favour of "Sing". It was instead released to iTunes on 13 June 2014 as the second "instant grat" promotional single from "×". "Don't" officially impacted US contemporary hit radio on 15 July 2014 and was released independently on 24 August 2014 as the album's second single.
Document 4: Don't It: "Don't It" is a song recorded by American country music artist Billy Currington. It was released in October 2014 as the first single from his sixth studio album "Summer Forever" (2015). The song was written by Ross Copperman, Ashley Gorley, and Jaren Johnston and produced by Dann Huff.
Document 5: The Man (Ed Sheeran song): "The Man" is a song by English singer-songwriter Ed Sheeran. It features production from frequent collaborator Jake Gosling. The song was released as an "instant grat" digital download to the iTunes Store on 19 June 2014, serving as the sixth of seven promotional singles from his second studio album, "x" (2014). It entered the UK Singles Chart at number 87.
Document 6: Love Me like You Do: "Love Me like You Do" is a song recorded by English singer Ellie Goulding for the "Fifty Shades of Grey" (2015). The song was written by Savan Kotecha, Ilya Salmanzadeh, Tove Lo, Max Martin and Ali Payami; the latter two also produced it. Goulding was selected to sing the track. It was released on 7 January 2015 as the second single from the soundtrack. The song was also included on Goulding's third studio album, "Delirium" (2015).
Document 7: X (Ed Sheeran album): x (pronounced "multiply") is the second studio album by English singer-songwriter, Ed Sheeran. It was released on 20 June 2014 in Australia and New Zealand, and worldwide on 23 June through Asylum Records and Atlantic Records. The album received positive reviews from music critics. It was an international commercial success, peaking at No. 1 in fifteen countries, while topping both the UK Albums Chart and the US "Billboard" 200. "x" also reached the top 5 in seven other countries and was the best selling album of 2014 in Australia, New Zealand, Ireland, and the United Kingdom. Five singles were released from the album: "Sing", "Don't", "Thinking Out Loud", "Bloodstream" (a collaboration with Rudimental), and "Photograph".
Document 8: She's on My Mind: "She's On My Mind" is a song by English singer JP Cooper. It was released as the forth single of his debut studio album "Raised Under Grey Skies". The song was released as a digital download in the United Kingdom on 21 July 2017 through Island Records. The song has charted in Belgium. The song was written by John Paul Cooper, Teemu Brunila, Benjamin McIldowie and Jon Cobbe Hume.
Document 9: Outside (Calvin Harris song): "Outside" is a song by Scottish DJ and record producer Calvin Harris from his fourth studio album, "Motion" (2014). The song features English singer Ellie Goulding and was released on 20 October 2014 as the fourth single from the album. It marks the second collaboration between Harris and Goulding, following the single "I Need Your Love" (2013). "Outside" is also included on the deluxe edition of Goulding's third studio album, "Delirium".
Document 10: Out of Mind (Tove Lo song): "Out of Mind" is a song by Swedish recording artist Tove Lo for her debut extended play, "Truth Serum" (2014). It was written by Lo alongside Alx Reuterskiöld and produced by The Struts with Reuterskiöld. The song was released on 16 October 2013 as the lead single from "Truth Serum" by Universal Music. It was also her third single overall, after "Love Ballad" and "Habits".
Document 11: One (Ed Sheeran song): "One" is a song recorded by English singer-songwriter Ed Sheeran for his second studio album, "x" (2014). Sheeran wrote the song immediately after releasing his debut album, "+" (2011). It marked the last occasion wherein Sheeran wrote about his former girlfriend, who inspired all the romantic compositions on "+". "One" was produced by frequent collaborator Jake Gosling and its music was based primarily on acoustic guitar. Critics were generally positive toward the song; it was noted for its guitar-driven sound and Sheeran's use of falsetto.
Document 12: Out of My Mind (B.o.B song): "Out of My Mind" is a song by American rapper B.o.B from his second studio album "Strange Clouds" (2012). The song features fellow Trinidadian rapper Nicki Minaj and was produced by Dr. Luke and Billboard. "Out of My Mind" was the fourth single released from the album. The song was primarily written by B.o.B, Nicki Minaj, DJ Frank E and Alex da Kid.
Document 13: Eraser (Ed Sheeran song): "Eraser" is a song by English singer-songwriter Ed Sheeran from his third studio album "÷" (2017). It was written and produced by Sheeran and Johnny McDaid. After the album's release, it charted at number 14 on the UK Singles Chart, despite not being an official single.
Document 14: Sing (Ed Sheeran song): "Sing" is a song by English singer-songwriter, Ed Sheeran. It was written by Sheeran and Pharrell Williams, who also produced it and provided uncredited background vocals. The song was released on 7 April 2014, serving as the lead single from Sheeran's second studio album, "×" (2014). The song became Sheeran's first UK number-one single and also topped the charts in Australia, New Zealand and Ireland. It also peaked at No. 13 on the US "Billboard" Hot 100.
Document 15: On My Mind (Ellie Goulding song): "On My Mind" is a song by English singer Ellie Goulding from her third studio album "Delirium" (2015). It was released as the album's lead single on 17 September 2015. It was written by Goulding, Max Martin, Savan Kotecha and Ilya Salmanzadeh. "On My Mind" is an electropop and R&B song whose instrumentation consists of scratchy guitars, trap drums, slapped beats and sharp, syncopated electronica. Lyrically, "On My Mind" talks about a one-night stand with someone the protagonist shouldn't be with, having a dichotomy between heart and head. Though firmly denied by Goulding, many critics considered it an answer song to Ed Sheeran's "Don't".
ground_truth: Ed Sheeran