The smiley pancake has blueberries, strawberries, and apples with it. Those 3 fruits were not available at the same time in TWD's world where they're not getting fruit shipments from other parts of the country/world.
Rick's group still hasn't investigated first hand, the many Government facilities and military bases that would be nearby. It's as if they have completely forgotten the many reasons for going to D.C. in the first place (and most of their past troubles),
Negan went to ridiculous lengths to block roads in order to catch Rick's group in the first place. He had sent groups just to track down runners. Negan has so many people, yet none have been watching the roads linking the communities that hate him.
Since she had never seen any of them before, Shiva would have no way of knowing the "good guys" from the "bad guys" in such a fight.