Problem: Does "For natural uranium, about 49% of its alpha rays are emitted by each of 238U atom, and also 49% by 234U (since the latter is formed from the former) and about 2.0% of them by the 235U." answer the question "What percentage of the alpha rays of natural uranium are emitted by 234U?"

A: yes

Problem: Does "These drives can run equally well on DC or AC of any frequency, and many modern electric locomotives are designed to handle different supply voltages and frequencies to simplify cross-border operation." answer the question "What is the main advantage of an induction motor?"

A: yes

Problem: Does "This section is about the more specific meaning." answer the question "Classical music can mean all Western art music or more specifically from the 1750's to when?"

A:
no