Does "A converter can be fed from the rotor circuit and return the slip-frequency power that would otherwise be wasted back into the power system through an inverter or separate motor-generator." contain the correct answer to "How might wasted power be salvaged?"
OPTIONS:
- yes
- no

A: yes

Does "Although Tito was formally an ally of Stalin after World War II, the Soviets had set up a spy ring in the Yugoslav party as early as 1945, giving way to an uneasy alliance.[citation needed]" contain the correct answer to "Who set up a spy ring in the Yugoslav party?"
OPTIONS:
- yes
- no

A: yes

Does "Many television programmes have been set in London, including the popular television soap opera EastEnders, broadcast by the BBC since 1985." contain the correct answer to "What popular soap opera has the BBC televised since 1985?"
OPTIONS:
- yes
- no

A:
yes