sentence_1,sentence_2,label_ids Astrophysics of Galaxies,Astrophysics,2 Cosmology and Nongalactic Astrophysics,Astrophysics,2 Earth and Planetary Astrophysics,Astrophysics,2 High Energy Astrophysical Phenomena,Astrophysics,2 Instrumentation and Methods for Astrophysics,Astrophysics,2 Solar and Stellar Astrophysics,Astrophysics,2 Astrophysics of Galaxies,Other,0 Cosmology and Nongalactic Astrophysics,Other,0 Earth and Planetary Astrophysics,Other,0 High Energy Astrophysical Phenomena,Other,0 Instrumentation and Methods for Astrophysics,Other,0 Solar and Stellar Astrophysics,Other,0