Question

if necessary, add or remove commas from the sentence.
context: i have only one science tutor.
my science tutor patty bouvier wrote a catchy song about the solar system.

Explanation:

在英文中，当对前面名词进行补充说明且为同位语时，若为唯一确定对象，不用逗号；若不是唯一确定对象，用逗号隔开。此句中“Patty Bouvier”是唯一的科学辅导老师，不用逗号。

Answer:

My science tutor Patty Bouvier wrote a catchy song about the solar system.