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We present some considerations in connection with the paper arXiv:1004.2980[hep-ph] and give a response to the criticism of the quasipotential approach inour relativistic quark model.

Comment on "Applications of Two-Body Dirac Equations to the Meson  Spectrum with Three versus Two Covariant Interactions, SU(3) Mixing, and  Comparison to a Quasipotential Approach'' by H. W. Crater and J. Schiermeyer