Which one of the following is false with respect to 4G and 5G cellular networks?

Which one of the following is false with respect to 4G and 5G cellular networks?

1. a) 5G supports faster bandwidth compared to 4G.
2. b) Latency in 4G networks is much higher than 5G network.
3. c) 4G uses a narrow slice of the available spectrum from 600 MHz to 2.5 GHz
4. d) There will be data session handoff feature in 5G network which is not available in 4G network