L think skiing is more dangerous than swimming.L don't think swimming is ___ ___ ___ skiing.

L think skiing is more dangerous than swimming.L don't think swimming is ___ ___ ___ skiing.
L think skiing is more dangerous than swimming.
L don't think swimming is ___ ___ ___ skiing.

L think skiing is more dangerous than swimming.L don't think swimming is ___ ___ ___ skiing.
less dangerous than