Which sentence uses the most precise language?

Which sentence uses the most precise language? (10 points)

1 With so many steps in the instructions, we didn’t know what to do next.
2 With multiple steps in the instruction manual, we were unsure of the solution when the wheel detached from the bicycle.
3 With so many steps in the instruction manual, we didn’t know what to do after the wheel fell off.
4 With those instructions, we were unsure of our next step after the wheel fell off the bicycle.