In the match between St. Gallen and Winterthur, it is preferable to bet on Winterthur. St. Gallen is in a slump, having lost four games in a row, while Winterthur is showing more consistent results, mixing wins with draws. It is also worth noting that Winterthur has a better goal difference, indicating their ability to both score and defend their goal. Taking these factors into account, the likelihood of Winterthur winning appears higher, and betting on them is considered more rational.