Instructions: Given a passage with a question and an answer to that question, classify if the answer actually answers the question into 'yes' or 'no'. Output 'yes' if the answer answers the question and output 'no' if the answer does not answer the question.
Input: Question: Does iron-limited condition modulate biofilm formation and interaction with human epithelial cells of enteroaggregative Escherichia coli ( EAEC )?
Answer: Low iron availability may modulate biofilm formation and adhesive properties of EAEC strains to HEp-2 cells.
Output:
yes