| sentence_1,sentence_2,label_ids | |
| Astrophysics of Galaxies,It is more related to Astrophysics than to other subjects,2 | |
| Cosmology and Nongalactic Astrophysics,It is more related to Astrophysics than to other subjects,2 | |
| Earth and Planetary Astrophysics,It is more related to Astrophysics than to other subjects,2 | |
| High Energy Astrophysical Phenomena,It is more related to Astrophysics than to other subjects,2 | |
| Instrumentation and Methods for Astrophysics,It is more related to Astrophysics than to other subjects,2 | |
| Solar and Stellar Astrophysics,It is more related to Astrophysics than to other subjects,2 | |