What to do, Cry or Laugh?

Chemistry Level 2

2 closed containers are brought in a room. One has Laughing gas ( $N_{2} O$ ) and the other has Tear gas ( $CCl_{3} NO_{2}$ ). Both gases are at same Temp. , Pressure & have same Volume and no. of moles.

The lid of the containers are removed simultaneously, then what would be the reaction of the children??

Details and assumptions :

Please Ignore human physiological reaction times to chemical agents.
Assume that laughing gas makes children laugh, and that tear gas makes children cry.

Children first Laugh and then Cry. Children neither Cry nor Laugh. None Of The Above. Children Cry and Laugh simultaneously. Children first Cry and then Laugh.

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