source: It will then dislodge itself and sink back to the river bed in order to digest its food and wait for its next meal.
target: It will move itself and sink back to the river bed so that it can digest its food and wait for its next meal.
references: It will move itself and sink back to the river bed so that it can digest its food and wait for its next meal. It digests its food in the water. It waits for prey in the water. It will then remove itself and sink back to the river bed in order to finish its food. It waits for its next meal at the bottom of the river. Then, it will dislodge itself and ink back into the river bed to digest and wait for the next meal. It will then remove itself and sink back to the river bed in order to digest its food and wait for its next meal. It will then go apart and go back to the river bed to swallow its food and wait for the next meal. It will then separate itself and sink back to the bottom of the river.  it does so in order to digest its food.  There it waits for its next meal. It will then remove itself and fall back to the river's bottom to digest its food and wait for its next meal. It will then move and sink back to the river bed to eat its food and then wait for its next meal.