Does "This is especially useful in medical equipment where the signals from a low-voltage sensor circuit (usually battery-powered) in contact with a living organism must be electrically isolated from any possible electrical failure in a recording or monitoring device operating at potentially dangerous voltages." contain the correct answer to "Where are opto-isolators found?"

A: yes

Does "After his return, he removed many restrictions on churches and spiritual institutions in Yugoslavia." contain the correct answer to "Where did Tito visit from 1954 to 1955?"

A: no

Does "It broadcast news, features and music in collaboration with its sister newspaper, the St Helena Independent (which continues)." contain the correct answer to "Which newspaper is the sister company of Saint FM radio?"

A:
yes