Tunnel:cave::note:song

it is TRUE

Explanation:

The above-given information is based on the analogy. Analogy is usually defined as the differentiation between two contrasting things and is basically used for understanding and clarification.

From the given condition, it can be concluded that a tunnel is a part of the cave and this is directly related to the songs which are comprised of different notes. Here, one forms a part of the other.

There could be multiple tunnels within the same cave, and similarly, notes are added with one another to make a song.

Thus, the above statement is true.

i may be wrong but i think your answer is flashback