Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: A rare painting by Sir Winston Churchill depicting soldiers leaving their families to go and fight in the First World War is expected to sell for £250,000 at auction. The former prime minister was a prolific painter and his artwork now sells for significant amounts. In 1927, he painted 'Troops Going to the Front', which was inspired by a photograph taken by FJ Mortimer 10 years earlier. The canvas shows soldiers waving farewell to their loved ones at Victoria Station in London as they leave to join the war with Churchill himself serving on the Western Front in 1915. The painting is a fascinating example of a theme Churchill painted rarely, and to which he did not return after.'Troops Going to the Front' is to be sold at auction tomorrow at Sotheby'sArtwork was painted by Sir Winston Churchill in 1927, a keen painterIt depicts soldiers leaving families at Victoria before heading off to warPainting is expected to sell for £250,000 when it goes under the hammer 
 Question:It will be sold by _ tomorrow and should sell for between £150,000 and £250,000.

Sotheby