Problem:OPTIONS:
- engines
- wind
- insulation
- photons
- radiator
- body heat
- calcite
- ice

Fact 1: Energy is used for heating a building by a heating system. Fact 2: Radiators are used to heat the building, The energy source is oil. Given the two facts above, what is used to heat a building by a heating system?
****
A: radiator

Fact 1: When the seasons change from the summer to the fall , the amount of daylight will decrease. Fact 2: Seasons are caused by the tilt of the earth's axis. Given the two facts above, what determines the amount of daylight earth gets? ?
OPTIONS:
- Heat energy
- The darkness it gets
- The bending of a ray of light
- The tilt of the axis
- The tilt of the sun's axis
- electromagnetic energy
- The brightness of the earth
- rain or sun shine
The tilt of the axis

Fact 1: When metal conducts heat , that metal expands. Fact 2: Conduction is the passing of heat through a medium. Given the two facts above, what is the result of imperfect passing of heat through a metal, on that metal?
OPTIONS:
- contamination
- expansion
- sweating
- Energy.
- forces
- burning
- Evaporation
- electricity

Answer: expansion

Question: Fact 1: Tidal energy can be used to produce electricity. Fact 2: Electricity travels in currents. Given the two facts above, what can tidal energy be used to produce?
OPTIONS:
- energy
- engines
- offspring
- waves
- currents
- adding heat
- moon units
- precipitation
Answer: currents

input with options: Fact 1: Cell division is more complex in eukaryotes than prokaryotes. Fact 2: Mitosis is cell division. Given the two facts above, _ is more complex in eukaryotes than prokaryotes.?
OPTIONS:
- voltage
- disease
- Epidermis
- Mitosis
- organ
- distance
- recycling
- resistance
output: Mitosis

Problem: OPTIONS:
- h2o
- HIV
- SNPs
- blood
- organs
- p53
- DDT
- HPV
Q: Fact 1: Antigens are molecules that the immune system recognizes as foreign to the body. Fact 2: Another such HPV antigen is the E6 antigen. Given the two facts above, what is recognized as foreign to the body by the immune system?
Answer:
HPV