Does the sentence "Nontrinitarians, such as Unitarians, Christadelphians and Jehovah's Witnesses also acknowledge Mary as the biological mother of Jesus Christ, but do not recognise Marian titles such as "Mother of God" as these groups generally reject Christ's divinity." provide a valid answer to the question "Which Nontrinitarian theologian says that God cannot approach eveil spirits to redeem them?"

A: no

Does the sentence "By the early 20th century balloon, or airship, guns, for land and naval use were attracting attention." provide a valid answer to the question "What kind of guns started attracting attention?"

A: yes

Does the sentence "A brash boosterism that had typified Melbourne during this time ended in the early 1890s with a severe depression of the city's economy, sending the local finance and property industries into a period of chaos during which 16 small "land banks" and building societies collapsed, and 133 limited companies went into liquidation." provide a valid answer to the question "When did new construction start in Melbourne?"

A: no

Does the sentence "Delhi Metro is being built and operated by the Delhi Metro Rail Corporation Limited (DMRC), a state-owned company with equal equity participation from Government of India and Government of National Capital Territory of Delhi." provide a valid answer to the question "The Delhi Metro Rail Corporation operates under the administrative control of what government body?"

A:
no