What is the solution to this problem?

He finally accomplished the project.

He said it was a hassle to shave his mustache.

He deeply loves the arts.

Monday is my busiest day.

He has a deep interest in art and culture.

She started a special exercise to strengthen the incisivus labii inferioris muscle.

The rectus capitis posterior major muscle is a part of the neck muscles, and it helps in the action of pulling the head backwards.

The rectus capitis posterior minor muscle is a part of the neck muscles, and it helps tilt the head backwards.

It's rare to find a Malayan night heron in the park.