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.

Question: Does interleukin-6 stimulate rat myometrial contractions in an in vitro model?
Answer: IL-6 in the presence or absence of membranes, over a four log fold dose range, did not stimulate uterine contractions.
no

Question: Is vitamin D deficiency independently associated with greater prevalence of erectile dysfunction : The National Health and Nutrition Examination Survey ( NHANES ) 2001-2004?
Answer: In this cross-sectional analysis of a representative sample of U.S. men, vitamin D deficiency was associated with an increased prevalence of ED independent of ASCVD risk factors. Additional research is needed to evaluate whether treating vitamin D deficiency improves erectile function.
yes

Question: Does increased molar proinsulin-to-insulin ratio in women with previous gestational diabetes predict later impairment of glucose tolerance?
Answer: The hypothesis that an increased fasting PI/I is a marker for later development of NIDDM or IGT in former GDM subjects could not be supported.

no