With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Douglas Aircraft Company merged with McDonnell Aircraft to form McDonnell Douglas.
text_B: Jnanagarbha -LRB- Tibetan  : ཡ ཤ ས ས ང པ , Wyl .. ye shes snying po -RRB- was an 8th-century Buddhist philosopher from Nalanda who wrote on Madhyamika and Yogacara and is considered part of Bhaviveka 's Svatantrika tradition .. Nalanda. Nalanda. Madhyamika. Madhyamika. Yogacara. Yogacara. Bhaviveka. Bhaviveka. Svatantrika. Svatantrika. He was a student of Shrigupta and the teacher and ordaining master of Shantarakshita .. Shantarakshita. Shantarakshita
not_related.