Fill in the gaps. Choose the correct idiom.

Once upon a time, in a small town, there lived two friends named Tom and Jerry. They were like ... , different in every way. Tom loved adventure and sports, while Jerry preferred reading and quiet activities. One day, they had a big decision to make. Tom wanted to climb a mountain, but Jerry thought it would be ... to visit a library instead. Their town faced a problem that felt like ... . Everyone was debating over it. Tom thought solving it would be ... , but Jerry knew it wasn’t as ... . Despite their differences, they always supported each other. For them, their friendship was like ... . They knew some problems were just ... compared to what they had.