Basic General Knowledge
Yuri Gagarin was

both (a) and (b)
a Russian cosmonaut & became the first man to travel in space.
None of these
the first person to fly at great height of about 340 km from the earth

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Basic General Knowledge
Leonardo da Vinci

All of these
was a great Italian painter, sculptor and architect
got universal fame form his masterpiece
drew models of organs such as the heart, lungs and womb

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