Count the number of words containing the substring "ing"
Waiting for the bus, I noticed an old lady singing
The number of words containing the substring "ing" is 3.
Complete the following task based on the instruction and optional input provided.### Instruction:
Count the number of words containing the substring "ing"

### Input:
Waiting for the bus, I noticed an old lady singing

### Output:
The number of words containing the substring "ing" is 3.