This post is not relevant to the bond market, as it does not contain any information about economic policies, interest rates, or other factors that could affect bond prices. Trump's endorsement of a book is unlikely to have any impact on investor sentiment or market confidence, and therefore, it is not expected to influence the bond market in any way. The bond market is more likely to be affected by macroeconomic factors such as inflation, GDP growth, and monetary policy decisions. As a result, this post can be seen as neutral, with no significant impact on the bond market. The sentiment score of 50 reflects this neutral assessment, indicating that the post is unlikely to cause any significant movement in the bond market.