Anchor: In all discussion of metaphor, writes H. W. Fowler in Modern English Usage , it must be borne in mind that some metaphors are living, i.e., are offered and accepted with a consciousness of their nature as substitutes for their literal equivalents, while others are dead, i.e., have been so often used that speaker and hearer have ceased to be aware that the words used are not literal.
Entailed: The writer claims some metaphors are living.
Contradiction: All metaphors are dead and are literal.
Contradiction: The street performers are riding in the convertible.
Contradiction: Someone who's been around for a while but can't really get to the point of conversation in a group is a wonderful country singer. 
Contradiction: For a city carrier, a normal workday is four hours.
Contradiction: The men are in need of rest.