Is the fоllоwing аrgument vаlid оr invаlid? Sammy is older than Julio. Julio is younger than Jameel. Thus, Sammy is older than Jameel.
Is the fоllоwing аrgument vаlid оr invаlid? Mr. Harold is a grumpy-looking parrot. Looks can be deceiving. Thus, Mr. Harold is not really grumpy.