Given below are two statements :
Statement I : Aniline reacts with con. H_{2} SO_{4}, followed by heating at 453 - 473 \textrm{ } K gives p-aminobenzene sulphonic acid, which gives blood red colour in the 'Lassaigne's test'.
Statement II : In Friedel - Craft's alkylation and acylation reactions, aniline forms salt with the AlCl_{3} catalyst. Due to this, nitrogen of aniline aquires a positive charge and acts as deactivating group.
In the light of the above statements, choose the correct answer from the options given below :