normal probe in a sentence

• It was too early to tell if the issues would become stumbling blocks or were the normal probing and give-and-take that go on during negotiations.
• Comets have a tiny gravitational field because their nuclei are only tens of kilometers across, so a normal probe would have to latch onto the comet.
• You should normally exclude robots, plus as well as the normal probes for weaknesses every so often sites get some hacker trying out all sorts of stupid things on it.
• It's difficult to see normal probe in a sentence .