Anchor: Back in the States, Smith--as interested in nets and grids as Kusama--worked up his geometrical patterns into three dimensions, thus returning, in a sense, to his architectural roots.
Entailed: When he was in the States he was able to get back into architecture.
Contradiction: He did not want to ever go back to his roots.
Contradiction: The defining feature of the piazza is its oppressive roof. 
Contradiction: A man works on a bicycle.
Contradiction: The boy is kicking a blue basketball.
Contradiction: Egoyan is a Canadian director.