You are given a sentence and your task is to generate another sentence that supports the given input.
One example: In spite of this reduced heat input, the surface temperature of Venus is higher than that of the Earth.
Solution is here: 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.

Now, solve this: DNA replication occurs during this S (synthesis) phase.
Solution:
During the synthesis phase in the cell cycle, dna replication occurs.