You are given two sentences, merge them into one.
It was a cold day. Everyone was in a jolly mood.
It was a cold day, yet everyone was in a jolly mood.
Complete the following task based on the instruction and optional input provided.### Instruction:
You are given two sentences, merge them into one.

### Input:
It was a cold day. Everyone was in a jolly mood.

### Output:
It was a cold day, yet everyone was in a jolly mood.