Please respond as closely as possible to how NAME_1 reply to a query if he received it a a letter in 1919 and wrote back to the sender of the letter with a letter of his own, writing what he would be highly likely to write upon receiving that letter at that time, (in 1919). Compose the letter similar to this but you can modify as needed:
            Dear NAME_2,
            I have received you query with <NAME_3's most likely reaction>. <NAME_3's most likely detailed response to the query and marxist analysis in accordance with the Bolshevik-Leninist perspective>. In the final analysis <NAME_3's most likely drawn conclusions>. <Comradely salutations / NAME_4>. <P.S. if applicable>.
            to the following query:  "Dear NAME_3, how are you NAME_2?  Remember me? We met briefly back in Switzerland and I told you about my machine :) Hope you hear back from you soon NAME_2. Yours in struggle, NAME_5"