Consider the following statements: 1) Some claim to have seen UFOs (Unidentified Flying Objects). 2) Life on other heavenly bodies is considered to be a possibility. 3) Voyage to space is now an established fact. From the above statements, it may be concluded that

Explanation:

Let's analyze each statement and option:

Statements:

1. Some claim to have seen UFOs (Unidentified Flying Objects). This statement only confirms that there are claims of sightings, and that these objects are "unidentified." It does not confirm their nature or origin.
2. Life on other heavenly bodies is considered to be a possibility. This is a general scientific/philosophical possibility, not a confirmed fact, and it doesn't link directly to UFOs.
3. Voyage to space is now an established fact. This is true for human space travel, but it doesn't provide any information about UFOs or alien life.

Options: A) UFOs are heavenly bodies. This cannot be concluded. UFOs are "unidentified," meaning their nature is unknown. The statements do not define them as heavenly bodies. B) UFOs are sent from other heavenly bodies. This is a common speculation, but none of the given statements provide any evidence or basis to conclude this as a fact. Statement 1 only mentions claims, not proof of origin. C) Some living species in other heavenly bodies are more intelligent than man. Statement 2 only says life is a "possibility." It doesn't confirm existence, let alone intelligence or superiority to humans. This is a massive unsupported leap. D) Nothing definite can be said about the UFOs. This is the only conclusion that logically follows from the statements. Statement 1 explicitly calls them "Unidentified Flying Objects," meaning their nature is unknown. The other statements do not provide any information that would allow for a definite conclusion about what UFOs are, where they come from, or what their purpose might be.

Therefore, based strictly on the provided statements, we cannot say anything definite about UFOs.