Infer what the author meant in the following sentence.
He said he was feeling blue.
The author meant that he was feeling sad or depressed. The term "feeling blue" is a commonly used idiom to describe feelings of sadness or melancholy.
Complete the following task based on the instruction and optional input provided.### Instruction:
Infer what the author meant in the following sentence.

### Input:
He said he was feeling blue.

### Output:
The author meant that he was feeling sad or depressed. The term "feeling blue" is a commonly used idiom to describe feelings of sadness or melancholy.