Complex sentence: Jara's body is believed to have flowed into the sea near Puri as a wooden log from which the triad of Jagannath, the presiding deity of Odisha, is said to have been sculpted.
Split into simpler sentences: Jara's body is believed to have flowed into the sea near Puri as a wooden log. It is from this log that the iconic triad of Jagannath, the presiding deity of Odisha, is said to have been sculpted.