Classify the emotion conveyed in the following sentence as happy, sad, or neutral.
I had a lovely day.
The emotion conveyed in the sentence "I had a lovely day" is happy.
Complete the following task based on the instruction and optional input provided.### Instruction:
Classify the emotion conveyed in the following sentence as happy, sad, or neutral.

### Input:
I had a lovely day.

### Output:
The emotion conveyed in the sentence "I had a lovely day" is happy.