Which statement about fifth wheel and kingpin is correct?

1. This answer would create an unsafe coupling, braking, turning, or inspection habit.
2. This choice is not supported by the Texas CDL handbook or FMCSA combination-vehicle standards.
3. A tug test does not replace a visual check of the jaws and fifth wheel gap.
4. This statement confuses the tested combination-vehicle rule with an unrelated CDL topic.