Task: Class Definition Understanding (ontology: Sciences/Biology)

Which of the following definitions best describes 'reduction'?

A. A procedure for critical evaluation; a means of determining the presence, quality, or truth of something.
B. The action or fact of making a specified thing smaller or less in amount, degree, or size.
C. The act of giving money or materials or other items of worth.
D. The deliberate use of light to achieve practical or aesthetic effects. the concept includes the use of both artificial light sources like lamps and light fixtures, as well as natural the concept by capturing daylight.

Answer: The action or fact of making a specified thing smaller or less in amount, degree, or size.