Its the test of one's cogitations or cognitions.
If {
some body is pessimist he takes meaning of Lemons and lemonade into his own way.}
else {
a realist takes meaning of Lemons and Lemonade in accordance to his cogitations.
}
else if {
A Optimist takes it into opportunities;because he always looks at the bright side of the picture.
}

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Never Give Up-------John Cena (WWE)