With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Gopalkrishna Gandhi served as a governor.
text_B: Synaptogenesis is the formation of synapses between neurons in the nervous system .. nervous system. nervous system. Although it occurs throughout a healthy person 's lifespan , an explosion of synapse formation occurs during early brain development , known as exuberant synaptogenesis .. synapse. synapse. brain development. neural development in humans. Synaptogenesis is particularly important during an individual 's critical period , during which there is a certain degree of synaptic pruning due to competition for neural growth factors by neurons and synapses .. critical period. critical period. synaptic pruning. synaptic pruning. neural growth factors. neurotrophin. Processes that are not used , or inhibited during their critical period will fail to develop normally later on in life .. life. life. critical period. critical period
not_related.