Anchor: Enough research has been conducted on instruments alone, he said, and new research should link screens with interventions.
Entailed: He believes we have done sufficient research on instruments alone and should focus new research on interventions. 
Contradiction: We need to pursue intensive research that focuses only on instruments at this point in the project. 
Contradiction: the man wore a cowboy hat as he rode his motorcycle
Contradiction: There are men in black martial arts outfits practicing their tan art.
Contradiction: A man rides his BMX bike off a steep curb
Contradiction: bee hovering over a flower