Instructions: In this task, you're given a context passage, followed by a question that needs to be answered. Based on the paragraph, you must write unambiguous answers to the questions and your answer must refer to a specific phrase from the paragraph. If multiple answers seem to exist, write the answer that is the most plausible.
Input: Before you plant a tree , you must contact the utility company . They will come to your property and mark out utility lines . Without doing this , you may dig down and hit a line , which can be lethal ! Once you know where to dig , select what type of tree you want . Take things into consideration such as how much sun it gets , what zone you are in , and how quickly you want it to grow . Dig a hole large enough for the tree and roots . Place the tree in the hole and then fill the hole back up with dirt . Many small trees will need support until they are bigger . This will ensure they grow tall and straight . It is crucial to keep the tree watered ! It will need a lot of water at first . Mulch is helpful to keep the soil moist . It 's also important to wait until the threat of a frost has passed or is not in the near future . Giving care to your new tree will ensure that it will grow big and strong ! 
Question: Will they fertilize the tree?
Output:
yes