input: OPTIONS:
- gamma rays
- sunlight
- nuclear radiation
- ultraviolet radiation Now, answer this question: Q: Exposure to what can increase the amount of pigment in the skin and make it appear darker? A:
A:
output: ultraviolet radiation

input: OPTIONS:
- the ovary
- the uterus
- the thyroid
- the hypothalamus Now, answer this question: Q: What item starts puberty in girls? A:
A:
output: the hypothalamus

input: OPTIONS:
- sleeping
- running
- driving
- smoking Now, answer this question: Q: What is the most significant cause of respiratory disease as well as cardiovascular disease and cancer? A:
A:
output:
smoking