sentence1: Calculate Renee ' s average score in an exam if she obtained the following marks 71 , 57 , 61 , 80 and 88 out of 100 in different subjects .
sentence2: Calculate Renee ' s average score in an exam if she obtained the following marks less than 81 , 57 , 61 , 80 and 88 out of 100 in different subjects .