Glenn: It's surely worth investigating, but the entrance is blocked by a stone. We need a way to get past it.
Glenn: It's certainly worth a look, though a rock is blocking the entrance. We need something to move it.
Glenn: The entrance is definitely worth checking out, but it's obstructed by a stone. We need help to get through.
Glenn: It's worth a look, but a boulder now blocks the entrance. We need something to get past it.
Glenn: It's definitely worth exploring, but the entrance is blocked by a stone. We need a tool to get through.
Glenn: It's worth inspecting, but a rock has blocked the entrance. We need something to move it aside.
Glenn: It's certainly worth examining, though the entrance is now blocked by a stone. We need something to clear it.
Glenn: It's worth looking into, but the entrance is blocked by a boulder. We need help to get past it.