—Judgment, Supreme Court, New York County (Frederic Berman, J.), rendered September 27, 1990, convicting defendant, after a jury trial, of two counts of robbery in the second degree and assault in the second degree, and sentencing him, as a second felony offender, to concurrent terms of 5 to 15 years, 5 to 15 years, and 21/s to, 7 years, respectively, unanimously affirmed.
Defendant’s claim that the People failed to prove the "taking” of property for an extended period of time, which element he claims the court’s instructions on robbery required, is unpreserved for appellate review as a matter of law as defendant failed to challenge the sufficiency of the evidence on this particular ground at trial (People v Gray,
