soup did. (Ms. Frizzle doesn't understand that word yet; she's just repeating it.)
… the underlying Beanish glyphes?
Spoiler:
macraw83 did, summoning tresoldi and starting a discussion, which produced somewrongresults. (Ms. Frizzle thinks (correctly) that Megan asked a question. Accordingly, the Beanish shows the prefix for interrogatives (“wh-” in English), followed by some gibberish (expressing Ms. Frizzle's confusion), plus a Beanish question mark.)