Which among the following is/are endothermic reaction(s)? \[\] (1) Combustion of methane \[\] (2) Decomposition of water \[\] (3) Dehydrogenation of ethane to ethane \[\] (4) Conversion of graphite to diamond

Question

$\begin {array} {1 1} (A)\;1,2 & \quad (B)\;2,3 \\ (C)\;2,4 & \quad (D)\;1,3 \end {array}$