Which sentence contains correct punctuation?

emily and susan’s yard is landscaped with only native plants.

emily's and susans yard is landscaped with only native plants.

emilys and susans yard is landscaped with only native plants.

the rhetorical technique most used in this excerpt is parallelism. parallelism is a technique which author used in sentence as substitute of repeated synthetical similarities. it is the effect of rhetorical technique.

explanation:

the apollo program, also known as project apollo, was the third united states human spaceflight program carried out by the national aeronautics and space administration (nasa), which succeeded in landing the first humans on the moon from 1969 to 1972.