请根据下面短文回答第题：
A Frenchman went to stay at the best hotel in a small Italian town with his wife. One night, he went out for a walk alone. The small street was dark and quiet. Suddenly he felt someone behind him. He turned his head and saw an Italian young man who quickly walked past him. The man was nearly out of sight (看不见了) when the Frenchman suddenly found that his watch was gone. He thought that it must be the Italian who had taken his watch. He decided to follow him and get back the watch.
Soon the Frenchman caught up with the Italian. Neither of them understood the other's language. The Frenchman frightened the Italian with his fist (拳头) and pointed at the Italian' s watch. In the end the Italian took off his watch and gave it to the Frenchman.
When he returned to the hotel, the Frenchman told his wife what had happened. He was greatly surprised when his wife pointed to the watch on the table. Now he realized (意识到) that by mistake he had robbed (抢劫) the watch and it was the Italian' s.
One night the Frenchman went out for a walk __