A lullaby is sung softly to soothe a baby, whereas if someone is singing loudly, it would not have the same effect
Context: "She would sing to him loudly when they were young, while she was alone on horseback by the creek."
Hypothesis: By the creek, alone on horseback, when they were young, she would sing him like a lullaby-soothed baby .
Based on the context, is the hypothesis true, false, or unknown?