Anchor: At once, there was a feeling of growing, and the sylph began to shrink away from them.
Entailed: As they grew, the sylph shrunk before them. 
Contradiction: The sylph remained a constant, even as they grew.
Contradiction: A man is sitting in the street.
Contradiction: But I don't know...
Contradiction: A photographer is shown by himself.
Contradiction: That will help.