With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Champ is an American film.
text_B: A baseband processor -LRB- also known as baseband radio processor , BP , or BBP -RRB- is a device -LRB- a chip or part of a chip -RRB- in a network interface that manages all the radio functions -LRB- all functions that require an antenna -RRB- ; however , this term is generally not used in reference to Wi-Fi and Bluetooth radios .. Wi-Fi. Wi-Fi. Bluetooth. Bluetooth. A baseband processor typically uses its own RAM and firmware .. RAM. RAM. firmware. firmware
not_related.