Detect the subject and the predicate in the following sentence.
Many of us are studying hard.
Subject: Many of us
Predicate: are studying hard.
Complete the following task based on the instruction and optional input provided.### Instruction:
Detect the subject and the predicate in the following sentence.

### Input:
Many of us are studying hard.

### Output:
Subject: Many of us
Predicate: are studying hard.