From the following equations pick out the possible nuclear fusion reactions:

${ }_6{C}^{13}{+}_1{H}^1{\stackrel{ }{\to }}_6{C}^{14}+4.3MeV$

${ }_6{C}^{13}{+}_1{H}^1{\stackrel{ }{\to }}_7{C}^{13}+2MeV$

${ }_{92}{U}^{235}{+}_0{n}^1{\stackrel{ }{\to }}_{54}X{e}^{140}{+}_{36}S{r}^{94}{+}_0{n}^1+y+200MeV$

${ }_7{N}^{14}{+}_1{H}^1{\stackrel{ }{\to }}_8{O}^{15}+7.3MeV$