Answer:
Your answer would be that the statement is true.
Explanation:
Adverb clauses, also called adverbial clauses, are dependent clauses that function as adverbs. As they are dependent clauses, they must have a subordinating conjunction to link them to the rest of the sentence. In the sentence above, the subordinating conjunction introducing the dependent clause is because. This clause gives us information as regards reason, the reason why he opened the door. What is more, the adverbial clause is dependent because it can't stand on its own as it does not represent a complete idea (see 1).
1) * Because the princess pointed to it
