Fact 1: Cells that divide uncontrollably may form a tumor, or abnormal mass of cells. Fact 2: For example, a fibroid is a tumor, a wart is a tumor, and cancers are tumors. Given the two facts above, when cells start to divide uncontrollablly, they may form a what?

OPTIONS:
- anemia
- tissue
- fever
- cell
- organ
- fibroid
- acid rain
- illness

Answer: fibroid

Problem: OPTIONS:
- camels
- oak
- Spruce
- fens
- Trees
- burrs
- apples
- vines
Q: Fact 1: Plants that shed their leaves seasonally each year are called deciduous plants. Fact 2: Vines are perennial, deciduous climbing plants. Given the two facts above, what sheds their leaves seasonally each year?
Answer: vines

Problem:OPTIONS:
- sulfur dioxide
- carbon dioxide
- nitrogen
- contamination
- smog
- hydrogen
- fossil fuels
- flooding

Fact 1: The emission of sulfur dioxide causes acid rain. Fact 2: Polluted rain is called acid rain . Given the two facts above, what causes pollution in rain?
****
A: sulfur dioxide

Fact 1: Aging occurs as cells lose their ability to divide. Fact 2: Cells produce more cells by dividing into two cells. Given the two facts above, what causes less cells to be produced ?
OPTIONS:
- Aging
- loss
- Oxygen
- Nutrition
- drought
- fat
- Sunlight
- coal
Aging

Fact 1: Pollen consists of tiny grains that are the male gametes of plants. Fact 2: Male gametes are sperm. Given the two facts above, pollen consists of tiny grains of what part of plants?
OPTIONS:
- flowers
- swea
- seeds
- white
- sperm
- embryos
- cacti
- CO 2

Answer: sperm

input with options: Fact 1: Viruses are so small that they can be seen only with an electron microscope. Fact 2: Some smallpox viruses are maintained in laboratories. Given the two facts above, what is so small it can be seen only with an electron microscope?
OPTIONS:
- all invertebrates
- humans
- bacteria
- alveoli
- acetic acid
- orchids
- smallpox
- planets
output:
smallpox