Forensics Science Digital Escape Room challenge by the Trendy Science Teacher in 2018 - what's the answer to Station 2? I chose C for question 1, A for question 2, C for 3, A for 4, but for the life of me I can't figure out this code. Please help.

answer: e.   sour taste

explanation: acids are those substances which dissociates in water to give ions. as they dissociate to give ions, they act as electrolytes and thus are electrically conductive. acids are sour in taste. example: hcl

bases are those substances which dissociates in water to give ions or accepts ions. as they dissociate to give ions, they act as electrolytes and thus are electrically conductive. bases are bitter in taste. bases are slippery in nature.

idk what is it? is this a question that you know the answer or u dont