Having gone on vacation in the middle of summer, you were looking forward to interesting and eventful days of rest. However, unfortunately, the first week passed without any special events and impressions. You were just sitting at home, not knowing what to do with yourself. Inner disappointment and a certain loss of hope settled in you, and the beginning of the vacation seemed much less attractive than you expected. Suddenly, at the most appropriate moment, your colleague and friend John called you. He seems to have sensed your concern and offered you an incredibly pleasant entertainment - a fishing trip. Without any hesitation and with great pleasure, of course, you agreed to this proposal. Meeting John just an hour later, you were already by the river, surrounded by nature and a quiet atmosphere. John looked at you with obvious pleasure.