A particle has the quark structure uˉdˉsˉ\bar{u}\bar{d}\bar{s}uˉdˉsˉ. Which of the following statements is correct for this particle?
It has a net charge of −1.6×10−19 C-1.6 \times 10^{-19}\text{ C}−1.6×10−19 C.
It has a strangeness of −1-1−1.
It has a baryon number of −1-1−1.
It is classified as a meson.