In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.

Example Input: Communion is that which is shared between the _ persons of the Holy Trinity.
Example Output: three

Example Input: Ticks mature in _ stages, moving from egg to larva and nymph to adult.
Example Output: four

Example Input: Green algae can divide into more than _ daughter cells.
Example Output:
two