Analyzing Manet's The Luncheon on the Grass

In of 300-500 words analyze Manet’sThe Luncheon on the Grass https://www.manet.org/luncheon-on-the-grass.jsp. (25.10) What was its initial reception? Why was it criticized? How could this work be interpreted as making a social statement and a condemnation of the bourgeoisie?