If a Reaction Involving Hadrons Were Written at the Quark $\overline u { \text { d } } + \text { uud } \rightarrow \mathrm { d } \overline { \mathrm { s } } + \text { ? }$

Multiple Choice

If a reaction involving hadrons were written at the quark level as $\overline u { \text { d } } + \text { uud } \rightarrow \mathrm { d } \overline { \mathrm { s } } + \text { ? }$ ,what is the quark composition of the unknown last particle?

A) udd
B) $\text{ ud}\overline { d}$
C) uds
D) $\text { ud}\overline { s}$
E) More information is needed.