The labels can be dragged to the correct points as follows;
The machine is placed upon a single rail
An assistant who has been holding the machine
You perceive no change in the presence of the ..
You do not feel the sensation of being
How to label the points
The book, The Early History of the Airplane by Orville and Wilbur Wright, starts with Orville describing the brothers' early fascination with flight, stemming from their father's toy glider and their own observations of birds. They spent years studying existing aeronautical theories and experimenting with kites and gliders, eventually building their own glider in 1900.
Some important points to note there are that you do not feel the sensation of being and The machine is placed upon a single rail.