The answer to this question would be A and B.
I believe the answer is Inference.
In creating an inference, you need to find a reliable source to obtain a certain amount of data and information.
After that, you need to process that data/information with your personal knowledge and deductive reasoning in order to create a conclusion
True, as the popular opinion of the public will give the legislation support.
"And the Lord said unto Moses: 'Stretch forth your hand toward heaven, that there may be hail in all the land of Egypt; upon man, upon beast, and upon every herb of the field, throughout the land.' And Moses stretched forth his rod toward heaven, and the Lord sent thunder and hail, and fire ran down unto the earth; and the Lord caused to hail upon the land of Egypt."
The United Kingdom does not have a codified constitution. However, a number of texts are considered to be constitutional, such that the "constitution of the United Kingdom" or "British constitution" may refer to a number of historical and momentous laws and principles that make up the country's body politic. Hope this help:)