Choose the correct steps.
1. a. Buy a white flower.
b. Buy a colorful flower.
2. a. Slice the stem in half.
b. Slice the stem in 3 parts.
3. a. Pour some water in two boxes.
b. Pour some water in two glasses.
4. a. Put some food coloring in the water and shake.
b. Put some food coloring in the water and stir.