Given the task definition and input, reply with output. You are given a short paragraph, a question and two choices to answer from. Choose the correct answer based on the paragraph and write the answer(not the key).

Paragraph: The more branching there is in isomers, the lower the boiling and melting points are.
 Question: Lead has a _____ melting point than steel because it has more branching. 
 Choices: A)lower 
B)higher
lower