Edit in JSFiddle

var _ = ishml.Template
var example1 = _`I ran a 5K race and ${_.roll("won","took second place","placed third","lost","sprained my ankle")}.`
var example2 = _`I ran a 5K race and ${_.roll("won","took second place","placed third","lost","sprained my ankle")}.`.seed(0.123)
var example3 = _`I ran a 5K race and ${_.roll("won","took second place","placed third","lost","sprained my ankle")}.`

var demo=function()
{
  example1.say().replace("#paragraph1")
  example2.say().replace("#paragraph2")
  example3.say(0.456).replace("#paragraph3")
}