Complex sentence: Chandralekha witnesses Sasankan's men trapping Veerasimhan in a cave and sealing its entrance with a boulder, but rescues him with the help of elephants of a passing circus troupe.
Split into simpler sentences: Chandralekha witnesses Sasankan's men trapping Veerasimhan in a cave and sealing its entrance with a boulder. She rescues him with the help of elephants in a passing circus troupe.