While on a holiday in Alabama， US， Nicole Hughes made sure her three-year-old son Levi had his life jacket ______ all day． It was only ______ he ate his Spaghetti dinner that Levi took it off． After Nicole   ______ him a piece of cake as a treat， she went upstairs to the kitchen of their holiday home， only for a couple of ______． When she quickly ______ over the balcony at the gated pool， she let out a cry of ______ pain． Levi， wearing a T-shirt， had drowned （溺水） at the deep end of the ______． Although Nicole's   ______ story has changed her forever， she wants some good to ______ it． The Tennessee mother-of-three has introduced a Water Guardian tag （标牌） - a ______ card， the size of a credit card ______ by a wire clearly showing who is in charge of the kids around the pool area． "My heart breaks each time I see a（n）______ story about a child who has drowned． Almost 70% of ______ drown when they aren't swimming． With Levi， when we were ______ from dinner， he ran away from our heavy doors and down a flight of stairs． Then he ______ into the pool．

The tag parents wear should act as a reminder to them not to take their ______ off the child for a minute． The ______ the child is wearing can then be seen by the parents easily．

"The plan seems to ______ well． People，______ caretakers of young kids， are messaging me all day， telling me that this is so simple ______ it makes so much sense．" She said．