Alright you are at Mrs. Jones to service her lawn. pre m with fert. (granular) and blanked her lawn with liquid broad leaf weed control. the warning on the broad leaf weed control label states "keep people and pets off till spray has dried but you have left them a notice to keep off the lawn for 24 hrs. you get in at the end of the day and that night the phone rings and its Mrs. Jones and she begins to tell you that the kid next door was playing on her lawn and she is concerned about the spray that was applied to her lawn. what do you tell her?