Read the following passage and answer the question.
"i'm not sleepy," said rainsford. "i'm going to smoke another pipe on the afterdeck."
rainsford, reclining in a steamer chair, indolently puffed on his favorite brier. the sensuous drowsiness of the
night was on him.
in the previous passage, what does the word brier refer to?
a chair
the afterdeck
a pipe
sleep