TaskId TaskText MamaId Start End Cost
100 Prepare a shopping list 0 1 6 60.0
101 Visit all the closets to see what's missing 100 1 5 50.0
102 Write down what you need to buy 100 1 6 10.0
200 Proceed to the super market 0 7 9 10.0
300 Buy and pay 0 9 28 482.0
307 Put stuff in the market basket 300 9 15 40.0
302 Pay at the cashier and leave 300 15 28 442.0