Translate the following sentence into English: "Gaius ambulat ad agrōs quod Titus est."

Gaius: Personal name in Nominative singular

Ambulat: 3rd person singular of the verb "ambulo" (intr.)—walk, go 

ad: prep of Accusative 

Agros: Accusative Plural of "ager"—fields, countryside

quod: conjuction—because

Titus: Personal name, in Nominative singular

Est: 3rd person singular of verb sum 

Translation: Gaius walks to the fields becasue Titus is there.