Which sentence in this excerpt shows a mocking tone?

jason wanted to be an astronaut when he grew up. like he could ever be an astronaut! the child was seven, and he could barely tie his shoelaces. all of jason’s brothers were very advanced intellectually and physically. but jason kept falling short. perhaps that’s the reason why he had such lofty ambitions.

the tone of the passage is sympathetic to the forbidden love of romeo and juliet. the nurse plays a significant role in the play. she is responsible for making their meeting again possible. additionally, there is a sense of warning in the choice of words of the nurse. she seems to be authoritative when she calls romeo "scurvy knave", and at the same time the fact that she addresses to him as "sir" reflects respect. the nurse is "vexed", this word describes her confused state of mind. on the one hand, she finds romeo a fine and eloquent man, but on the other, it is thought that man's nature forces men to try to trick women.  

a line graph will be best to show the income.

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