State whether the sentence is true(T) or false(F).
The Upanishads are part of the Rigveda.
Upanishads are parts of Vedas. Rig, Yajur, Sama and Atharva are the four Vedas. A Veda is divided into four parts, namely, Samhita, Brahmana, Aranyaka and Upanishad.