Match the run-on sentence solution to the correct run-on sentence

Question

problem: Two main clauses with no comma before the coordinating
conjunction
Solutions:
a. Insert a comma before the coordinating conjunction to
separate the two main clauses.
b. Separate the main clauses with an end mark of punctuation,
such as a period or a question mark, and begin the second
sentence with a capital letter, or separate the main clauses
with a semicolon, or insert a comma and a coordinating
conjunction between the main clauses.
c. Replace the comma with an end mark of punctuation such as a
period or question mark, and begin the new sentence with a
capital letter, or place a semicolon between the two main
clauses, or insert a coordinating conjunction after the comma.

Answer 1

Problem: Two main clauses with no comma before the coordinating conjunction

Solution: a. Insert a comma before the coordinating conjunction to separate the two main clauses.

Example:
Incorrect run-on sentence: I love to read books I also enjoy watching movies.
Correct sentence: I love to read books, and I also enjoy watching movies.