Use reasoning to answer the following question.
Densely packed trees in a forest do what in order to reach sunlight?\nOptions:\n- burn\n- wall in\n- grown in soil\n- covered with snow\n- grow tall

grow tall
Trees in a forest can grow tall.

Densely packed trees in a forest so that they can grow tall in order to reach sunlight.

.

So, the final answer is grow tall