Which sentence is the most grammatically correct and clear version?

Superman announced that he could leap over buildings in a single bound, which was a very risky thing to do.

It was risky for Superman to announce that he could leap over buildings in a single bound.

Leaping over a building is risky for Superman because he cannot see the antenna on top and may misjudge the distance.

It was risky for Superman to announce that he could leap over a building in a single bound because he’d been really ashamed if he missed and went splat into the side of the building.

5 answers

What do you think?
It was risky for Superman to announce that he could leap over a building in a single bound because he’d been really ashamed if he missed and went splat into the side of the building.
It was risky for Superman to announce that he could leap over a building in a single bound because he’d been really ashamed if he missed and went splat into the side of the building.
Superman announced that he could leap over buildings in a single bound, which was a very risky thing to do.
It was risky for Superman to announce that he could leap over buildings in a single bound.