  Yuan and Feng [Eur. Phys. J. Plus 138:70, 2023] recently proposed a
modification of the nested Mach-Zehnder interferometer experiment performed by
Danan et al. [Phys. Rev. Lett. 111:240402, 2013] and argued that photons give
"contradictory" answers about where they have been, when traces are locally
imprinted on them in different ways. They concluded that their results are
comprehensible from what they call the "three-path interference viewpoint", but
difficult to explain from the "discontinuous trajectory" viewpoint advocated by
Danan et al. We argue that the weak trace approach (the basis of the
"discontinuous trajectory" viewpoint) provides a consistent explanation of the
Yuan-Feng experiment. The contradictory messages of the photons are just
another example of photons lying about where they have been when the
experimental method of Danan et al. is applied in an inappropriate setup.
