Question: "What is the activity, corresponding to the occupation of an astronaut, that is often confused with the term unmanned spaceflight?"
Paraphrase: "What is the movement, comparing to the occupation of an space explorer, that's regularly confounded with the term unmanned spaceflight?"
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q11631 wdt:P425 ?answer . ?answer wdt:P1889 wd:Q512399}