Among the following statements which one is true?

${\mathrm{PH}}_3$  is stronger reducing agent than ${\mathrm{NH}}_3$  and it has lower critical temperature than ${\mathrm{NH}}_3$

${\mathrm{NH}}_3$ is more soluble than ${\mathrm{PH}}_3$ in water and $\mathrm{H}–\mathrm{P}–\mathrm{H}>\mathrm{H}–\mathrm{N}–\mathrm{H}$.

${\mathrm{NH}}_3$ is stronger base and stronger reducing agent than ${\mathrm{PH}}_3$

${\mathrm{NH}}_3$ Has higher boiling point than ${\mathrm{PH}}_3$  and has lower melting point than ${\mathrm{PH}}_3$