Detailed Instructions: You are given a sentence and your task is to generate another sentence that supports the given input.
See one example below:
Problem: In spite of this reduced heat input, the surface temperature of Venus is higher than that of the Earth.
Solution: Venus has a warmer average surface temperature than earth.
Explanation: Output statement supports the input statement's claim about the temperatures of Venus being higher than the earth.

Problem: Cell division occurs after a male and female sex cell have united (fertilization) and the resulting zygote divides into two cells.
Solution:
After fertilization, a zygote forms into two cells.