Go to bed has a precondition of brush your tooth. Gather energy for tomorrow has a precondition of rest. Brush your tooth has a precondition of floss. Sleep does not have a precondition of floss. Good breath has a precondition of brush your tooth. Sleep does not have a precondition of have cup and table. Gather energy for tomorrow does not have a precondition of learn some program language. Rest does not have a precondition of learn some program language. Go to bed does not have a precondition of learn some program language. Rest has a precondition of go to bed. Rest is utilised in regain your energy. Gather energy for tomorrow does not have a precondition of competition. View anything has a precondition of have cup and table. Sleep has a precondition of brush your tooth.
Gather energy for tomorrow has a precondition of floss.