en tupolev tu 4 (n)
― IsA ⟶
Weight: 1.0
en transportation device (n) Source: OpenCyc 2012
en tupolev tu 4 (n)
― IsA ⟶
Weight: 1.0
en aircraft (n) Source: OpenCyc 2012
en tupolev tu 4
― IsA ⟶
Weight: 0.5
en aircraft (n) Source: DBPedia 2015