additional debug output

src/main.zig

@@ -333,7 +333,7 @@ fn processCommand(allocator: std.mem.Allocator, sentence: [:0]const u8, parser:
         }
 
         const object_words = tree.sentenceObject() catch |err| {
-            std.log.err("Failed to extract object: {}\n", .{err});
+            std.log.err("Failed to extract object: {}\nParse tree: {f}", .{ err, tree });
             continue;
         };
         defer allocator.free(object_words);
@@ -342,6 +342,7 @@ fn processCommand(allocator: std.mem.Allocator, sentence: [:0]const u8, parser:
             continue;
         }
 
+        std.log.debug("{f}", .{tree});
         var aw = std.Io.Writer.Allocating.init(allocator);
         defer aw.deinit();
         const aw_writer = &aw.writer;
@@ -353,6 +354,15 @@ fn processCommand(allocator: std.mem.Allocator, sentence: [:0]const u8, parser:
         }
         std.log.debug("{s}]", .{aw.written()});
 
+        aw.clearRetainingCapacity();
+        try aw_writer.writeAll("Action words: [");
+        first = true;
+        for (action_words) |word| {
+            try aw_writer.print("{s}\"{s}\"", .{ if (!first) ", " else "", word });
+            first = false;
+        }
+        std.log.debug("{s}]", .{aw.written()});
+
         if (parseAction(action_words)) |action| {
             if (try extractDevice(allocator, object_words, devices)) |entry| {
                 if (builtin.is_test)