https://sparkapi.com/Reso/OData/Property?$filter=BedroomsTotal lt 5 or (BedroomsTotal eq 4 and FireplaceYN eq true)&$top=10&$select=ListingKey,BedroomsTotal,Directions,ListingContractDate,ModificationTimestamp,StandardStatus,PropertyType,City,StreetName,StreetNumber
Use parenthesis and logical ‘and’ or ‘or’ to group filter expressions.