PC1 knows Common, CSL, and Halfling.
PC2 knows Common, Elvish, and Sylvan
PC3 knows Common, Dwarvish, and Giant.
PC4 knows Common, Gnome, and Goblin.
Sign is in Common, all PCs can read.
Sign is in Elvish, PC1 can read.
Sign is in Infernal, None can read.
Mother May the sign be in Common? 🥹