story: I was walking around with my baby in the living room. Suddenly, I heard my phone ringing and reached down for it. After reaching down, the baby began to slip from my arms. I dropped the baby to the ground and he began to cry. I picked him up and calmed him back down.
 selected sentence: After reaching down, the baby began to slip from my arms.
The baby begins to slip >Causes/Enables> The baby falls down