It was still damp, it exhaled a strong odour of coffee, and imbedded in the nap of the carpet I found some little splinters of china. 
There was nothing on the carpet. 
mnli hypothesis: There was nothing on the carpet.  premise: It was still damp, it exhaled a strong odour of coffee, and imbedded in the nap of the carpet I found some little splinters of china. 