Which of the following expression will be definitely false if the expression A $<$ B $>$ C $=$ D $>$ E is definitely true?

Which of the following symbols should replace the question mark ($?$) in the given expression in order to make expressions $\mathrm{P} > \mathrm{A}$ as well as $\mathrm{T} < \mathrm{L}$ definitely true ?

$\mathrm{P} > \mathrm{L} ? \mathrm{A} \ge \mathrm{N} = \mathrm{T}$

Which of the following symbols should be placed in the blank spaces respectively (in the same order from left to right) in order complete the given expression in such a manner that makes the expressions B $>$ N as well as D $<$ L false?

B _ L _ O _ N _ D

Which of the following symbols should be placed in blank spaces respectively (in the same order left to right) in order to complete the given expression in such a manner that makes the expression $\mathrm{A}<\mathrm{P}$ definitely false?
$\_ < \_ < \_ >$

Which of the following symbols should be placed in the blank spaces respectively ( in the same order from left to right) in order to complete the given expression in such a manner that makes the expression $\mathrm{F} > \mathrm{N}$ and $\mathrm{U} > \mathrm{D}$definitely false ?

$$$\mathrm{F} \mathrm{\_}\hspace{0.17em}\mathrm{O} \mathrm{\_}\hspace{0.17em}\mathrm{U} \mathrm{\_}\hspace{0.17em}\mathrm{N} \mathrm{\_}\hspace{0.17em}\mathrm{D}$