This task is about identifying the subject of a given sentence. The subject of a sentence is the person, place, or thing that is performing the action of the sentence. The subject represents what or whom the sentence is about. Each sentence in this task is guaranteed to contain a single subject. The input is a sentence and the output is the identified subject of that sentence.

Alex: The Life of a Child was released in 1986
Alex: The Life of a Child

one of the ingredients of the BLT sandwich is Lettuce.
BLT

The Surround Stakes had a 1400 distance.

Surround Stakes