Problem: Does "In some countries, notably the US, they are allowed to advertise directly to the general public." answer the question "Who do drug reps market to?"

A: no

Problem: Does "In dominant-party systems, opposition parties are allowed, and there may be even a deeply established democratic tradition, but other parties are widely considered to have no real chance of gaining power." answer the question "What are some of the reasons for a party's failure?"

A: no

Problem: Does "These parts are interconnected by buses, often made of groups of wires." answer the question "Besides the ALU, input and output devices, what are the other two main components of a computer?"

A:
no