WE/DECIDE/GO/WALK/SUCH/NICE/DAY. WE/DECIDE/GO/WALK/SUCH/NIC...

21/ We/decide/go/walk/such/nice/day.a We decided to go out for a walk on such nice day.b We decided going out for a walk on such nice dayc We decided go out for a walk on such a nice dayd We decided to go out for a walk on such a nice day.