You need to use your head to solve this problem.

He solved a large number of problems.

Understanding numbers is important for solving math problems.

He was bedridden with illness for several days.

I can't solve this problem because there are too many numbers.

Using regular expressions, we search for patterns in strings.

In genetics, we study how genes determine the phenotype.

Freedom of expression is one of the fundamental rights of democracy.

Hate speech has the power to divide society as a whole.

His paintings are strongly influenced by expressionism.