Rules Prohibiting "Horseplay" or "Gambling" Are Usually

Rules prohibiting "horseplay" or "gambling" are usually:

A) more vague than management intended, even though it seems clear what is meant by these terms.
B) regarded by most arbitrators as trivial concerns.
C) almost always regarded by arbitrators as being clear and to the point and therefore subject to little interpretation.
D) always upheld by arbitrators when discipline occurs for their infraction.
E) all of these