Based on the clue 'a riotous crowd of people', what is the answer?

Based on the clue 'a ringing bell in the original advertising campaig...', what is the answer? Based on the clue 'a ringlike muscle called the pyloric sphincter lie...', what is the answer? Based on the clue 'a rink of players its the number of persons on a ...', what is the answer? Based on the clue 'a rio museum honors this entertainer known for her...', what is the answer? Based on the clue 'a rippled sauce for meat or a once popular ben je...', what is the answer? Based on the clue 'a rise in an assets value or what beth feels she d...', what is the answer? Based on the clue 'a risk factor for melanoma is dysplactic nevi in ...', what is the answer? Based on the clue 'a ritzy new york hotel provides the setting for th...', what is the answer?