Alien regrets trusting sign language with angry humans

They said it’d be peaceful, but these Earthlings clearly missed the memo.

Two purple aliens stand in a field surrounded by angry villagers armed with pitchforks and torches. One alien sarcastically complains that using sign language to communicate was supposed to improve the situation, but the hostile crowd suggests otherwise. The humor lies in the irony of peaceful intentions thwarted by misunderstanding and suspicion.